Python
Top Python APIs
This is the index page of the most widely used Python modules. The number in () is the number of projects using that module. The number indicates the popularity of the module. This list is based on statistics of a random set of 40,000 open source projects from 2016. You may use the search function 
to search what you need.
1. os 28679
2. sys 26398
3. time 17784
4. re 15645
5. json 15400
6. random 11208
7. numpy 10875
8. logging 10831
9. collections 10006
10. argparse 9594
11. datetime 9493
12. subprocess 8309
13. requests 8127
14. math 8021
15. setuptools 6825
16. unittest 6321
17. threading 6030
18. datetime.datetime 5460
19. shutil 5378
20. copy 5313
21. itertools 5278
22. functools 5189
23. socket 4670
24. hashlib 4477
25. os.path 4446
26. io 4367
27. tempfile 4343
28. matplotlib.pyplot 4270
29. string 4237
30. glob 4027
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