title

Kaggle's 30 Days Of ML (Day-2): Say Hello to Python: variables, types and arithmetic operations

description

This video is a walkthrough of Kaggle's #30DaysOfML. In this video, we learn the very basics of #Python. We learn about variables, variable assignment, calling inbuilt functions like print, type, min and max and about arithmetic operations
Tutorial Link: https://www.kaggle.com/colinmorris/hello-python
Note: this video is not sponsored by #Kaggle!
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detail

{'title': "Kaggle's 30 Days Of ML (Day-2): Say Hello to Python: variables, types and arithmetic operations", 'heatmap': [], 'summary': '30 days of ml by kaggle introduces basic python concepts, including variable assignment, conditional statements, operator overloading, mathematical operations, inbuilt functions, and exercises. it also demonstrates how to calculate the area of a circle and presents practical python exercises.', 'chapters': [{'end': 47.315, 'segs': [{'end': 47.315, 'src': 'embed', 'start': 0.489, 'weight': 0, 'content': [{'end': 6.112, 'text': 'Hello, everyone, and welcome to day two of 30 days of ML by Kaggle.', 'start': 0.489, 'duration': 5.623}, {'end': 10.775, 'text': 'And today we are going to learn some really basic stuff about Python.', 'start': 6.853, 'duration': 3.922}, {'end': 13.637, 'text': "So if you're not familiar with Python, you start today.", 'start': 10.795, 'duration': 2.842}, {'end': 23.581, 'text': 'Yesterday we took a look at how to make a submission in the titanic competition, but i think that was way too advanced.', 'start': 14.678, 'duration': 8.903}, {'end': 31.624, 'text': "so today it's a day where you should start from, but you should still learn the basics of how Kaggle works, what, what the submissions are,", 'start': 23.581, 'duration': 8.043}, {'end': 34.666, 'text': 'what is leaderboard, what is Kaggle notebooks?', 'start': 31.624, 'duration': 3.042}, {'end': 36.046, 'text': 'these kind of things.', 'start': 34.666, 'duration': 1.38}, {'end': 39.687, 'text': "and today you can start from python if you don't know about python at all.", 'start': 36.046, 'duration': 3.641}, {'end': 47.315, 'text': "so this is the tutorial that you get, and you also get an exercise if you're familiar with python.", 'start': 41.468, 'duration': 5.847}], 'summary': 'Day 2 of 30 days of ml covers basic python concepts and introduces kaggle platform features.', 'duration': 46.826, 'max_score': 0.489, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I489.jpg'}], 'start': 0.489, 'title': 'Introduction to python basics', 'summary': 'Introduces day two of 30 days of ml by kaggle, focusing on teaching basic concepts of python. it also covers the importance of learning how kaggle works, including submissions, leaderboard, and kaggle notebooks.', 'chapters': [{'end': 47.315, 'start': 0.489, 'title': 'Day 2: introduction to python basics', 'summary': 'Introduces day two of 30 days of ml by kaggle, focusing on teaching basic concepts of python. it also covers the importance of learning how kaggle works, including submissions, leaderboard, and kaggle notebooks.', 'duration': 46.826, 'highlights': ['The importance of learning the basics of how Kaggle works, including submissions, leaderboard, and Kaggle notebooks.', 'Introduction to Python basics for those unfamiliar with the language.', 'Encouragement to start learning Python for those without prior knowledge of the language.', 'Providing an exercise for those familiar with Python.']}], 'duration': 46.826, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I489.jpg', 'highlights': ['Introduction to Python basics for those unfamiliar with the language.', 'The importance of learning the basics of how Kaggle works, including submissions, leaderboard, and Kaggle notebooks.', 'Encouragement to start learning Python for those without prior knowledge of the language.', 'Providing an exercise for those familiar with Python.']}, {'end': 482.613, 'segs': [{'end': 77.679, 'src': 'embed', 'start': 47.315, 'weight': 0, 'content': [{'end': 54.624, 'text': 'they tell you straight ahead, like you can go to the hands-on experience, hands-on exercise, sorry,', 'start': 47.315, 'duration': 7.309}, {'end': 62.953, 'text': 'And they give you a little bit history about Python, that it was named for the show Monty Python.', 'start': 55.45, 'duration': 7.503}, {'end': 65.414, 'text': "So I'm not a fan.", 'start': 63.313, 'duration': 2.101}, {'end': 69.155, 'text': "I haven't seen Monty Python, but yeah, that's what it is.", 'start': 65.654, 'duration': 3.501}, {'end': 77.679, 'text': "And they tell you, okay, try reading over the code below and predicting what's going to do when it's run.", 'start': 69.796, 'duration': 7.883}], 'summary': 'Python workshop includes hands-on exercises and history of monty python show.', 'duration': 30.364, 'max_score': 47.315, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I47315.jpg'}, {'end': 329.594, 'src': 'embed', 'start': 299.015, 'weight': 1, 'content': [{'end': 307.221, 'text': "So if you're programmed in certain languages like Java or C++, you might be noticing things Python doesn't require us to do here.", 'start': 299.015, 'duration': 8.206}, {'end': 311.364, 'text': "We don't need to declare the variable.", 'start': 307.241, 'duration': 4.123}, {'end': 314.166, 'text': "You don't need to define the type of the variable.", 'start': 311.784, 'duration': 2.382}, {'end': 319.671, 'text': "So these things you don't need to do when you're working with Python.", 'start': 316.068, 'duration': 3.603}, {'end': 322.593, 'text': 'So now this is a print function.', 'start': 320.711, 'duration': 1.882}, {'end': 329.594, 'text': 'And here, Print function displays the value passed to it on the screen.', 'start': 324.174, 'duration': 5.42}], 'summary': 'Python simplifies variable handling compared to java or c++.', 'duration': 30.579, 'max_score': 299.015, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I299015.jpg'}, {'end': 392.791, 'src': 'embed', 'start': 366.518, 'weight': 3, 'content': [{'end': 370.4, 'text': "So what is, what is this doing? It's just a comment.", 'start': 366.518, 'duration': 3.882}, {'end': 383.025, 'text': 'So when you, when you write a code and you want others to understand the code, you can say, okay, here I multiply, um, spam string by four.', 'start': 371.08, 'duration': 11.945}, {'end': 388.928, 'text': 'So things like this, and these comments will not be executed.', 'start': 384.144, 'duration': 4.784}, {'end': 392.791, 'text': "It's only for your own understanding or the understanding of others.", 'start': 388.988, 'duration': 3.803}], 'summary': 'Comments in code help others understand, do not execute.', 'duration': 26.273, 'max_score': 366.518, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I366518.jpg'}], 'start': 47.315, 'title': 'Python basics', 'summary': 'Introduces hands-on python exercises, including variable assignment, print function, conditional statements, and reassignment, exemplified with an explanation of multiplying strings and the role of comments.', 'chapters': [{'end': 482.613, 'start': 47.315, 'title': 'Python basics: hands-on experience and variable assignment', 'summary': 'Introduces hands-on python exercises, including variable assignment, print function, conditional statements, and reassignment, exemplified with an explanation of multiplying strings and the role of comments.', 'duration': 435.298, 'highlights': ['The chapter introduces hands-on Python exercises, including variable assignment, print function, conditional statements, and reassignment. It provides an overview of the practical aspects of Python, emphasizing hands-on learning and practical application of fundamental concepts.', 'The print function is explained, demonstrating its role in displaying values on the screen. The print function is discussed in the context of displaying values on the screen, showcasing its usage for output in Python programs.', "Variable assignment and reassignment are discussed, highlighting Python's flexibility in not requiring variable declaration or type definition. Python's approach to variable assignment and reassignment is explained, emphasizing the absence of variable declaration and type definition required in languages like Java or C++.", 'The concept of multiplying strings and the role of comments in Python are explained. The concept of multiplying strings is illustrated, and the purpose of comments in code for clarifying understanding and providing context is emphasized.']}], 'duration': 435.298, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I47315.jpg', 'highlights': ['The chapter introduces hands-on Python exercises, emphasizing practical application of fundamental concepts.', 'The print function is explained, demonstrating its role in displaying values on the screen.', "Variable assignment and reassignment are discussed, highlighting Python's flexibility in not requiring variable declaration or type definition.", 'The concept of multiplying strings and the role of comments in Python are explained.']}, {'end': 615.898, 'segs': [{'end': 519.044, 'src': 'embed', 'start': 483.536, 'weight': 2, 'content': [{'end': 487.697, 'text': 'So to mark the beginning and end of code block, Python uses white spaces.', 'start': 483.536, 'duration': 4.161}, {'end': 490.778, 'text': 'So every space matters.', 'start': 488.297, 'duration': 2.481}, {'end': 510.843, 'text': "So mostly people are using four spaces and things will become clear when you have like invalid spaces, it's going to give you an indentation error.", 'start': 493.558, 'duration': 17.285}, {'end': 519.044, 'text': 'so here we use the asterisk operator or star and that that is used for multiplication.', 'start': 511.963, 'duration': 7.081}], 'summary': 'Python uses white spaces for code blocks, with four spaces commonly used. invalid spaces cause indentation errors. the asterisk operator is used for multiplication.', 'duration': 35.508, 'max_score': 483.536, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I483536.jpg'}, {'end': 615.898, 'src': 'embed', 'start': 551.843, 'weight': 0, 'content': [{'end': 558.125, 'text': 'So it says that Python offers a number of time-saving tricks like this,', 'start': 551.843, 'duration': 6.282}, {'end': 564.327, 'text': 'where operators like asterisk and plus have different meaning depending on what kind of things they are applied to.', 'start': 558.125, 'duration': 6.202}, {'end': 568.568, 'text': 'The technical term for this is operator overloading.', 'start': 565.287, 'duration': 3.281}, {'end': 580.632, 'text': "So depending on if it's a string, if I'm applying asterisk on a string, or if I'm applying asterisk on an integer, you will get different results.", 'start': 569.148, 'duration': 11.484}, {'end': 589.337, 'text': 'So now we come back to spam amount and learn about some types.', 'start': 582.369, 'duration': 6.968}, {'end': 596.925, 'text': 'So spam amount here is a number, but in technical terms, we call it int for integer.', 'start': 590.378, 'duration': 6.547}, {'end': 603.852, 'text': 'So you can find the type of any variable by writing type and inside that the variable name.', 'start': 597.445, 'duration': 6.407}, {'end': 609.575, 'text': 'So like here, they have written 19.195 and type of that.', 'start': 604.773, 'duration': 4.802}, {'end': 610.916, 'text': "So let's see what it is.", 'start': 609.815, 'duration': 1.101}, {'end': 612.016, 'text': 'It is float.', 'start': 611.316, 'duration': 0.7}, {'end': 615.898, 'text': 'The float is a number with some decimal places.', 'start': 613.517, 'duration': 2.381}], 'summary': 'Python offers time-saving tricks through operator overloading, with different results based on the type being used, such as string or integer.', 'duration': 64.055, 'max_score': 551.843, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I551843.jpg'}], 'start': 483.536, 'title': 'Python code block and operator overloading', 'summary': 'Explains the significance of white spaces in python code blocks, demonstrates the use of the asterisk operator for both string and number multiplication, and highlights the concept of operator overloading with examples. it also introduces the type() function to determine the data type of variables.', 'chapters': [{'end': 615.898, 'start': 483.536, 'title': 'Python code block and operator overloading', 'summary': 'Explains the significance of white spaces in python code blocks, demonstrates the use of the asterisk operator for both string and number multiplication, and highlights the concept of operator overloading with examples. it also introduces the type() function to determine the data type of variables.', 'duration': 132.362, 'highlights': ['Python code blocks rely on white spaces for marking the beginning and end, with invalid spaces leading to indentation errors.', 'The asterisk operator can be used for both string and number multiplication, offering time-saving tricks and demonstrating operator overloading.', 'The concept of operator overloading in Python is illustrated through the different meanings of operators like asterisk and plus depending on the type of data they are applied to.', 'The type() function can be used to determine the data type of variables, such as identifying integers and floats.']}], 'duration': 132.362, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I483536.jpg', 'highlights': ['The concept of operator overloading in Python is illustrated through the different meanings of operators like asterisk and plus depending on the type of data they are applied to.', 'The asterisk operator can be used for both string and number multiplication, offering time-saving tricks and demonstrating operator overloading.', 'Python code blocks rely on white spaces for marking the beginning and end, with invalid spaces leading to indentation errors.', 'The type() function can be used to determine the data type of variables, such as identifying integers and floats.']}, {'end': 789.206, 'segs': [{'end': 789.206, 'src': 'embed', 'start': 723.566, 'weight': 0, 'content': [{'end': 729.088, 'text': 'So you already have learned this in high schools.', 'start': 723.566, 'duration': 5.522}, {'end': 733.87, 'text': "So it's parenthesis, exponents, multiplication, division, addition and subtraction.", 'start': 729.649, 'duration': 4.221}, {'end': 736.531, 'text': "So that's what the order is.", 'start': 734.31, 'duration': 2.221}, {'end': 738.652, 'text': "It's very basic mathematics.", 'start': 736.871, 'duration': 1.781}, {'end': 742.593, 'text': 'So weight minus three plus two will give you seven.', 'start': 739.612, 'duration': 2.981}, {'end': 747.697, 'text': 'um, and then you have minus three plus four.', 'start': 745.175, 'duration': 2.522}, {'end': 748.177, 'text': 'so you can.', 'start': 747.697, 'duration': 0.48}, {'end': 752.64, 'text': "you can do exercises like this and see what it's going to give you.", 'start': 748.177, 'duration': 4.463}, {'end': 758.804, 'text': "so now here what we're doing is um hat height and my height.", 'start': 752.64, 'duration': 6.164}, {'end': 762.227, 'text': 'so hat height is 25, my height is 190.', 'start': 758.804, 'duration': 3.423}, {'end': 764.348, 'text': 'so yeah, these are in centimeters.', 'start': 762.227, 'duration': 2.121}, {'end': 770.312, 'text': 'and then you have a comment saying how tall am i in meters when wearing my hat?', 'start': 764.348, 'duration': 5.964}, {'end': 777.737, 'text': 'so you add both of them and you divide by 100.', 'start': 770.312, 'duration': 7.425}, {'end': 779.779, 'text': 'But is it correct result??', 'start': 777.737, 'duration': 2.042}, {'end': 781.06, 'text': 'No,', 'start': 780.88, 'duration': 0.18}, {'end': 786.264, 'text': 'So 26.9 meters is a little bit unrealistic height.', 'start': 781.6, 'duration': 4.664}, {'end': 789.206, 'text': "So that's why we use parentheses.", 'start': 786.784, 'duration': 2.422}], 'summary': 'Basic math operations demonstrated, resulting in unrealistic height calculation of 26.9 meters.', 'duration': 65.64, 'max_score': 723.566, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I723566.jpg'}], 'start': 618.479, 'title': 'Basic mathematics operations and order of operations', 'summary': 'Explains basic mathematical operations such as addition, subtraction, multiplication, and division, along with floor division, modular, and exponentiation. it also covers the order of operations, highlighting the significance of parentheses and offering practical examples.', 'chapters': [{'end': 789.206, 'start': 618.479, 'title': 'Basic mathematics operations and order of operations', 'summary': 'Explains basic mathematical operations like addition, subtraction, multiplication, division, floor division, modular, and exponentiation, as well as the order of operations, emphasizing the importance of parentheses and providing practical examples.', 'duration': 170.727, 'highlights': ['The chapter explains basic mathematical operations like addition, subtraction, multiplication, division, floor division, modular, and exponentiation. It covers the fundamental arithmetic operations and their respective operators, including floor division, modular, and exponentiation.', 'The importance of parentheses in the order of operations is emphasized, providing practical examples. It stresses the significance of parentheses in altering the order of operations and provides practical examples to illustrate their impact on the outcome.', 'Practical example of using parentheses to calculate height in meters, highlighting the need for correct order of operations. It provides a practical example of calculating height in meters, emphasizing the necessity of applying the correct order of operations to obtain accurate results.']}], 'duration': 170.727, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I618479.jpg', 'highlights': ['The chapter explains basic mathematical operations like addition, subtraction, multiplication, division, floor division, modular, and exponentiation.', 'The importance of parentheses in the order of operations is emphasized, providing practical examples.', 'Practical example of using parentheses to calculate height in meters, highlighting the need for correct order of operations.']}, {'end': 1124.532, 'segs': [{'end': 858.703, 'src': 'embed', 'start': 822.044, 'weight': 0, 'content': [{'end': 827.842, 'text': 'So now you have learned about print, type, min, and max.', 'start': 822.044, 'duration': 5.798}, {'end': 829.703, 'text': 'These are inbuilt functions in Python.', 'start': 827.902, 'duration': 1.801}, {'end': 835.246, 'text': 'Next one is abs, which is absolute value.', 'start': 831.644, 'duration': 3.602}, {'end': 840.59, 'text': 'So absolute value of 32 is 32, absolute value of minus 32 is minus 32.', 'start': 835.987, 'duration': 4.603}, {'end': 846.994, 'text': 'And you can convert any int to float, any float to int.', 'start': 840.59, 'duration': 6.404}, {'end': 854.861, 'text': "So if you convert 3.33 to int, it's going to give you 3.", 'start': 847.595, 'duration': 7.266}, {'end': 858.703, 'text': "So if you convert 3.9 to int, it's also going to give you 3.", 'start': 854.861, 'duration': 3.842}], 'summary': 'Python inbuilt functions include print, type, min, max, abs, and data conversion.', 'duration': 36.659, 'max_score': 822.044, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I822044.jpg'}, {'end': 1001.967, 'src': 'embed', 'start': 946.189, 'weight': 1, 'content': [{'end': 948.612, 'text': "It's pretty easy, pretty basic stuff.", 'start': 946.189, 'duration': 2.423}, {'end': 954.959, 'text': "And now, once you're done with all this, you can do the first exercise.", 'start': 950.334, 'duration': 4.625}, {'end': 960.725, 'text': 'So I will show you the exercise, but I would totally recommend you to do it on your own.', 'start': 955.479, 'duration': 5.246}, {'end': 964.932, 'text': 'Um, so this is exercise.', 'start': 962.911, 'duration': 2.021}, {'end': 973.134, 'text': 'So they tell you, okay, you have successfully run some Python code and to run the Python code, you have to either press on this button here.', 'start': 965.612, 'duration': 7.522}, {'end': 974.894, 'text': 'So click on this one.', 'start': 973.154, 'duration': 1.74}, {'end': 980.916, 'text': "When you're done, when you're done with this, you click on this and it will open you another notebook with exercise in it.", 'start': 975.835, 'duration': 5.081}, {'end': 988.498, 'text': 'So I click on the play button or I can just click on control enter or shift enter.', 'start': 983.256, 'duration': 5.242}, {'end': 992.499, 'text': 'So whatever is easiest for you.', 'start': 990.979, 'duration': 1.52}, {'end': 998.605, 'text': 'So now, yeah, it prints, okay, you have successfully run the Python code.', 'start': 995.083, 'duration': 3.522}, {'end': 1001.967, 'text': "Congratulations Let's come to the next one.", 'start': 998.645, 'duration': 3.322}], 'summary': 'Basic exercise in running python code with multiple options provided.', 'duration': 55.778, 'max_score': 946.189, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I946189.jpg'}], 'start': 789.226, 'title': 'Python inbuilt functions and exercises', 'summary': 'Covers python inbuilt functions like min, max, abs, and type conversions, emphasizing practice exercises for reinforcement.', 'chapters': [{'end': 1124.532, 'start': 789.226, 'title': 'Python inbuilt functions and exercises', 'summary': 'Covers python inbuilt functions such as min, max, abs, and type conversions, with an emphasis on practicing exercises to reinforce learning.', 'duration': 335.306, 'highlights': ['The chapter emphasizes learning about inbuilt functions in Python such as min, max, abs, and type conversions. The chapter introduces inbuilt functions in Python such as min, max, abs, and type conversions, providing practical examples to reinforce learning.', 'Exercises are recommended to reinforce learning, with an emphasis on practicing code independently. The chapter strongly emphasizes the importance of practicing exercises independently to reinforce learning, with a recommendation to attempt the exercises without relying solely on provided solutions.', 'The chapter provides guidance on running Python code and handling exercises within Jupyter Notebook. The chapter provides guidance on running Python code within Jupyter Notebook, including instructions on how to handle exercises, run code cells, and interpret error messages.']}], 'duration': 335.306, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I789226.jpg', 'highlights': ['The chapter introduces inbuilt functions in Python such as min, max, abs, and type conversions, providing practical examples to reinforce learning.', 'The chapter strongly emphasizes the importance of practicing exercises independently to reinforce learning, with a recommendation to attempt the exercises without relying solely on provided solutions.', 'The chapter provides guidance on running Python code within Jupyter Notebook, including instructions on how to handle exercises, run code cells, and interpret error messages.']}, {'end': 1454.945, 'segs': [{'end': 1185.21, 'src': 'embed', 'start': 1124.532, 'weight': 0, 'content': [{'end': 1129.933, 'text': 'next one says pi equal to 3.14159 and diameter is 3.', 'start': 1124.532, 'duration': 5.401}, {'end': 1133.474, 'text': 'create a variable called radius equal to half the diameter.', 'start': 1129.933, 'duration': 3.541}, {'end': 1140.336, 'text': 'so this is also very simple and easy radius equal to diameter divided by 2.', 'start': 1133.474, 'duration': 6.862}, {'end': 1147.822, 'text': 'now you create a variable called area, using the formula for area of circle, which is pi times radius squared.', 'start': 1140.336, 'duration': 7.486}, {'end': 1163.213, 'text': 'okay. so area equal to pi, which is also defined here, and times, uh, radius squared, okay, i will just put this in parenthesis.', 'start': 1147.822, 'duration': 15.391}, {'end': 1166.305, 'text': "So let's see.", 'start': 1164.585, 'duration': 1.72}, {'end': 1167.806, 'text': "and yeah, okay, that's correct.", 'start': 1166.305, 'duration': 1.501}, {'end': 1175.288, 'text': "So it's just matching the number that you get here with what they have internally.", 'start': 1168.986, 'duration': 6.302}, {'end': 1185.21, 'text': 'And if you want to look at the hint here, you can say, okay, the syntax 0 raised to the bth power of is a star star b.', 'start': 1176.368, 'duration': 8.842}], 'summary': "Using pi=3.14159 and diameter=3, calculate circle's area as pi*radius^2", 'duration': 60.678, 'max_score': 1124.532, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I1124532.jpg'}, {'end': 1272.585, 'src': 'embed', 'start': 1240.657, 'weight': 1, 'content': [{'end': 1253.007, 'text': 'so I will create another variable called c and assign it the value of b, and I will say now b is a and a is c.', 'start': 1240.657, 'duration': 12.35}, {'end': 1260.055, 'text': "So this way I can swap the values of A and B, and let's see if it's correct.", 'start': 1254.431, 'duration': 5.624}, {'end': 1263.498, 'text': 'Okay, so yeah, this is also correct.', 'start': 1260.836, 'duration': 2.662}, {'end': 1272.585, 'text': 'So yeah, it also tells you what the solution is, TMP is A, and you can also do it like this.', 'start': 1264.859, 'duration': 7.726}], 'summary': 'Swapping variables a and b successfully achieved.', 'duration': 31.928, 'max_score': 1240.657, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I1240657.jpg'}, {'end': 1343.508, 'src': 'embed', 'start': 1305.03, 'weight': 2, 'content': [{'end': 1307.231, 'text': 'so it means floor division.', 'start': 1305.03, 'duration': 2.201}, {'end': 1311.732, 'text': 'so if you do floor division of three, slash two to conjugate one.', 'start': 1307.231, 'duration': 4.501}, {'end': 1319.372, 'text': 'So what you can do here is you have to get 1..', 'start': 1315.911, 'duration': 3.461}, {'end': 1323.214, 'text': 'So 3 by the slash slash 2 is 1.', 'start': 1319.372, 'duration': 3.842}, {'end': 1323.874, 'text': 'So you will get 4.', 'start': 1323.214, 'duration': 0.66}, {'end': 1329.737, 'text': "So if you add up parentheses here, it's 2.", 'start': 1323.874, 'duration': 5.863}, {'end': 1333.24, 'text': 'Then floor division 2, which is 1.01.', 'start': 1329.737, 'duration': 3.503}, {'end': 1335.582, 'text': "So yeah, that's how you do it.", 'start': 1333.24, 'duration': 2.342}, {'end': 1340.526, 'text': "And I think, I don't know what the rules just say about must.", 'start': 1335.722, 'duration': 4.804}, {'end': 1343.508, 'text': 'So yeah, simple stuff.', 'start': 1340.886, 'duration': 2.622}], 'summary': 'Explanation of floor division and calculation result: 3 // 2 = 1', 'duration': 38.478, 'max_score': 1305.03, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I1305030.jpg'}, {'end': 1431.991, 'src': 'embed', 'start': 1397.436, 'weight': 3, 'content': [{'end': 1403.887, 'text': 'So Alice candies, Bob candies, plus Carol candies.', 'start': 1397.436, 'duration': 6.451}, {'end': 1410.499, 'text': 'So to smash, it should be something.', 'start': 1405.936, 'duration': 4.563}, {'end': 1414.561, 'text': 'So what you need to do is you need to divide it by three.', 'start': 1410.679, 'duration': 3.882}, {'end': 1418.023, 'text': "But when you divide it by three, it's going to give you a float.", 'start': 1415.061, 'duration': 2.962}, {'end': 1422.305, 'text': 'So you have to find out what the remainder is.', 'start': 1418.643, 'duration': 3.662}, {'end': 1427.789, 'text': 'And you can find the remainder using the percentage operator.', 'start': 1422.726, 'duration': 5.063}, {'end': 1431.991, 'text': 'And that gives you the number of candies to smash.', 'start': 1429.089, 'duration': 2.902}], 'summary': 'Alice has candies, bob has candies, and carol has candies. divide by three to find the remainder, which determines the number of candies to smash.', 'duration': 34.555, 'max_score': 1397.436, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I1397436.jpg'}], 'start': 1124.532, 'title': 'Calculating area of circle and python exercise', 'summary': 'Demonstrates how to calculate the area of a circle using the formula a = πr^2, with an example of a circle with a diameter of 3 units, resulting in an area of 7.0686 square units. it also covers python exercises including swapping variables, using parentheses in expressions, and a candy splitting problem, with the solution involving basic python operations and finding the remainder of a division, resulting in the need to smash 2 candies.', 'chapters': [{'end': 1185.21, 'start': 1124.532, 'title': 'Calculating area of circle', 'summary': 'Demonstrates how to calculate the area of a circle using the formula a = πr^2, with an example of a circle with a diameter of 3 units, resulting in an area of 7.0686 square units.', 'duration': 60.678, 'highlights': ['Creating a variable called area using the formula for the area of a circle, which is π times radius squared, resulting in an area of 7.0686 square units.', 'Creating a variable called radius equal to half the diameter, with the value of 1.5 units.', 'Demonstrating the syntax for raising 0 to the bth power as a star star b.']}, {'end': 1454.945, 'start': 1185.21, 'title': 'Python exercise and candy splitting', 'summary': 'Covers python exercises including swapping variables, using parentheses in expressions, and a candy splitting problem, with the solution involving basic python operations and finding the remainder of a division, resulting in the need to smash 2 candies.', 'duration': 269.735, 'highlights': ['The solution involves swapping the values of variables A and B using a temporary variable, as well as a more concise method of swapping using tuple assignment.', "Using parentheses to modify the expression '5 - 3 // 2' to evaluate to 1 involves understanding floor division and adding parentheses to get the desired result.", "In the candy splitting problem, the sum of Alice, Bob, and Carol's candies is calculated, divided by 3 to find the average, and the remainder is found using the percentage operator to determine the number of candies to be smashed."]}], 'duration': 330.413, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/55wRpH4sO-I/pics/55wRpH4sO-I1124532.jpg', 'highlights': ['Creating a variable called area using the formula for the area of a circle, which is π times radius squared, resulting in an area of 7.0686 square units.', 'The solution involves swapping the values of variables A and B using a temporary variable, as well as a more concise method of swapping using tuple assignment.', "Using parentheses to modify the expression '5 - 3 // 2' to evaluate to 1 involves understanding floor division and adding parentheses to get the desired result.", "In the candy splitting problem, the sum of Alice, Bob, and Carol's candies is calculated, divided by 3 to find the average, and the remainder is found using the percentage operator to determine the number of candies to be smashed.", 'Creating a variable called radius equal to half the diameter, with the value of 1.5 units.', 'Demonstrating the syntax for raising 0 to the bth power as a star star b.']}], 'highlights': ['The chapter introduces hands-on Python exercises, emphasizing practical application of fundamental concepts.', 'The importance of parentheses in the order of operations is emphasized, providing practical examples.', 'Creating a variable called area using the formula for the area of a circle, which is π times radius squared, resulting in an area of 7.0686 square units.', 'The solution involves swapping the values of variables A and B using a temporary variable, as well as a more concise method of swapping using tuple assignment.', "Using parentheses to modify the expression '5 - 3 // 2' to evaluate to 1 involves understanding floor division and adding parentheses to get the desired result.", "In the candy splitting problem, the sum of Alice, Bob, and Carol's candies is calculated, divided by 3 to find the average, and the remainder is found using the percentage operator to determine the number of candies to be smashed.", 'Creating a variable called radius equal to half the diameter, with the value of 1.5 units.', 'Demonstrating the syntax for raising 0 to the bth power as a star star b.', 'The concept of operator overloading in Python is illustrated through the different meanings of operators like asterisk and plus depending on the type of data they are applied to.', 'The asterisk operator can be used for both string and number multiplication, offering time-saving tricks and demonstrating operator overloading.', 'Python code blocks rely on white spaces for marking the beginning and end, with invalid spaces leading to indentation errors.', 'The type() function can be used to determine the data type of variables, such as identifying integers and floats.', 'The chapter explains basic mathematical operations like addition, subtraction, multiplication, division, floor division, modular, and exponentiation.', 'The chapter introduces inbuilt functions in Python such as min, max, abs, and type conversions, providing practical examples to reinforce learning.', 'The chapter strongly emphasizes the importance of practicing exercises independently to reinforce learning, with a recommendation to attempt the exercises without relying solely on provided solutions.', 'The chapter provides guidance on running Python code within Jupyter Notebook, including instructions on how to handle exercises, run code cells, and interpret error messages.', 'Introduction to Python basics for those unfamiliar with the language.', 'The importance of learning the basics of how Kaggle works, including submissions, leaderboard, and Kaggle notebooks.', 'Encouragement to start learning Python for those without prior knowledge of the language.', 'Providing an exercise for those familiar with Python.', 'The chapter introduces hands-on Python exercises, emphasizing practical application of fundamental concepts.', 'The print function is explained, demonstrating its role in displaying values on the screen.', "Variable assignment and reassignment are discussed, highlighting Python's flexibility in not requiring variable declaration or type definition.", 'The concept of multiplying strings and the role of comments in Python are explained.']}