Python study notes directory

1. Study Notes for 2020

1. Add line number display to Python IDLE
2. A outlook on life based on information theory
3. Wu Jun "Google Interview Questions: Inverted English Sentences"
4. Python study notes: directory and file operations
5. Python study notes: interactive dialogue environment IPython
6. Python study notes: modules and packages
7. Python study notes: use sorted () function to sort the sequence
8. Python study notes: string extraction and cleaning
9. Python study notes: dynamically add and delete attributes and methods
10. Python study notes: Encapsulation through private attributes
11. Python study notes: filter N digits and draw a line chart
12. Python study notes: demonstrate multi-root inheritance
13. Python study notes: PMT and PV functions
14. Basic Statistics Study Notes: Descriptive Statistics
15. Basic Statistics Study Notes: Probability and Probability Distribution
16. Python study notes: interpolation of one-dimensional data
17. Solve linear equations with R, Octave, NumPy and SciPy
18. Python study notes: Getting started with NumPy
19. Python study notes: use mplfinance's plot to draw K-line graphs
20. Python study notes: permutation and combination
21. Basic Statistics Study Notes: Normal Distribution
22. Python study notes: integrated development environment
23. Basic Statistics Study Notes: Chi-Square Distribution
24. Appreciate the world beyond the number e
25. Python study notes: first met Tushare

2. Python cases in 2020

1. Python case: formatted output Fibonacci sequence
2. Python case: four methods to determine palindrome strings
3. Python case: finding the transposed matrix
4. Python case: printing Yang Hui triangle
5. Python case: solving a quadratic equation in one variable
6. Python case: output leap years in the specified range

Three, 2019 study notes

1. Python study notes: first experience with pandas
2. Python study notes: sequence of strings
3. Python study notes: crawling webpage pictures
4. Python study notes: File
5. Python study notes: Generator (Generator)
6. Python study notes: Function (Function)
7. Python study notes: List, Dict and Set Comprehensions (List, Dict and Set Comprehensions)
8. Python study notes: set
9. Python study notes: dictionary (dict)
10. Beginner learning Django framework under PyCharm platform
11. Python study notes: use the controller to jump to different pages
12. Python study notes: requests library
13. Python data analysis study notes: calculating correlation coefficient
14. Modify the default working directory of Jupyter Notebook
15. Flask study notes 01: install Flask module and entry case
16. Flask study notes 02: realize user login function
17. Python data analysis study notes 01: install related software, import extension modules and integrated development environment
18. Python data analysis study notes 02: Python language foundation, IPython and Jupyter notebook
19. Python data analysis study notes 03: NumPy basics (array and vectorized computing)
20. Python data analysis study notes 04: Pandas basics
21. Python data analysis study notes 05: user portrait
22. First experience of crawling tool Octopus
23. Crawling exercises: a short comment on Climbing Douban
24. Python study notes: use Python to obtain data (local data and network data)
25. Python data analysis study notes: use SciKit-Learn for data normalization
26. Python data analysis study notes: Getting started with Python data visualization

Four, 2019 Python case

1. Python case: query city weather and draw a line graph of maximum and minimum temperature
2. Python case: two methods to achieve word frequency statistics
3. Python case: finding the least common multiple

Five, 2018 study notes

1. Case demonstration of Python two-dimensional list and Java two-dimensional array
2. Python list common methods
3. Python Shell clear screen method
4. Solve the problem of garbled Delete-Backspace key in Python shell

6. Python cases in 2018

1. Python case: give a triangle composition scheme
2. Python case: inverting English sentences
3. Python case: the spacecraft fires a bullet to the right
4. Python case: key test
5. Python case: word frequency statistics
6. Python case: GUI version of user registration information management system
7. Python case: guessing game
8. Python case: Tower of Hanoi game
9. Python case: Filling a chess board with rice grains
10. Python case: use the arrow keys to move the image on the screen