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1. Bubble Sort
2. Method to calculate x to the power of n
3. Calculate a*a + b*b + c*c + …
4. Calculate factorial n!
5. List all files and directories in the current directory
6. Convert all strings in a list to lowercase:
7. Output the paths of all files and folders in a certain directory
8. Output all file paths in a certain directory and its subdirectories
9. Output all files with the .html extension in a certain path and its subdirectories
10. Reverse the key-value pairs of the original dictionary to create a new dictionary
11. Print the multiplication table of 9
By specifying the value of the end parameter, you can cancel the newline character at the end, achieving no line break.
12. Replace all 3s in the list with 3a
13. Print each name
** Being good at using range() will make problems easier
14. Merge and deduplicate
15. Two ways to randomly generate verification codes
16. Calculate the square root
17. Determine if the string consists only of digits
18. Determine odd or even number
19. Determine leap year
20. Get the maximum value
21. Fibonacci Sequence
The Fibonacci sequence refers to a sequence of numbers 0, 1, 1, 2, 3, 5, 8, 13; specifically noted: the 0th term is 0, the 1st term is the first 1. Starting from the third term, each term is the sum of the previous two terms.
22. Convert decimal to binary, octal, hexadecimal
23. Greatest Common Divisor
23. Least Common Multiple
24. Simple Calculator
25. Generate Calendar
26. File IO
27. String Judgment
28. String Case Conversion
29. Calculate the number of days in each month
30. Get yesterday’s date
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Beginner Visual Learning Knowledge Circle
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Download 1: OpenCV-Contrib Extension Module Chinese Version Tutorial
Reply "Extension Module Chinese Tutorial" in the "Beginner Visual Learning" public account backend to download the first OpenCV extension module tutorial in Chinese, covering installation of extension modules, SFM algorithms, stereo vision, target tracking, biological vision, super-resolution processing, and more than twenty chapters of content.
Download 2: Python Visual Practical Projects 52 Lectures
Reply "Python Visual Practical Projects" in the "Beginner Visual Learning" public account backend to download 31 visual practical projects including image segmentation, mask detection, lane line detection, vehicle counting, eye line addition, license plate recognition, character recognition, emotion detection, text content extraction, and face recognition, helping to quickly learn computer vision.
Download 3: OpenCV Practical Projects 20 Lectures
Reply "OpenCV Practical Projects 20 Lectures" in the "Beginner Visual Learning" public account backend to download 20 practical projects based on OpenCV for advanced learning of OpenCV.
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