Python Practice

Every lesson runs in your browser — write real code, press Run, and the tasks check themselves. Free, no account needed, with notes in English and Chinese.

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Lessons in this course

1. 01 Print a word
2. 02 Print another word
3. 03 Print a sentence
4. 04 Print with a !
5. 05 Print two lines
6. 06 Print three lines
7. 07 Print a number
8. 08 Print a bigger number
9. 09 Add two numbers
10. 10 Add bigger numbers
11. 11 Subtract
12. 12 Multiply
13. 13 Divide
14. 14 Remainder
15. 15 Use a variable
16. 16 A number variable
17. 17 Change a variable
18. 18 Add two variables
19. 19 Multiply two variables
20. 20 Join two words
21. 21 Greet a name
22. 22 Repeat text
23. 23 Ask for a name
24. 24 Echo a number
25. 25 Your first function
26. 26 Is it positive?
27. 27 The bigger one
28. 28 The last item
29. 29 Is it even?
30. 30 Sum a list
31. 31 Reverse a string
32. 32 Count the vowels
33. 33 FizzBuzz
34. 34 Letter frequencies
35. 35 Remove duplicates
36. 36 Second largest
37. 37 Group anagrams
38. 38 Flatten a nested list
39. 39 RPN calculator
40. 40 Run-length encoding

Language reference

/know/reference/python