20 best Python questions at stackoverflow in 2020

This is the 20 most rated questions at 2020 Stack Overflow.
Between brackets: question score & answers count
Built date: 2021/01/04 19:25:02 GMT

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1. What causes [*a] to overallocate? - [143/3]
2. Count letters in a text in the Welsh language - [78/4]
3. How do you fix "runtimeError: package fails to pass a sanity check" for numpy and pandas? - [132/9]
4. How to bypass python function definition with decorator? - [68/5]
5. Why doesn't Python give any error when quotes around a string do not match? - [67/4]
6. Why do I get this many iterations when adding to and removing from a set while iterating over it? - [69/4]
7. Why is a.insert(0,0) much slower than a[0:0]=[0]? - [63/1]
8. xlrd.biffh.XLRDError: Excel xlsx file; not supported - [55/2]
9. Does Python forbid two similarly looking Unicode identifiers? - [80/2]
10. Zipped Python generators with 2nd one being shorter: how to retrieve element that is silently consumed - [54/8]
11. regex to find a pair of adjacent digits with different digits around them - [57/4]
12. Why is this regex so slow in java - [51/4]
13. Efficient way to remove half of the duplicate items in a list - [60/12]
14. How is `x = 42; x = lambda: x` parsed? - [46/3]
15. Why is math.sqrt massively slower than exponentiation? - [51/3]
16. How can I replace the first occurrence of a character in every word? - [46/6]
17. Generate list of numbers and their negative counterparts in Python - [60/14]
18. Python round to next highest power of 10 - [47/6]
19. Discord.py Glitch or random error: TypeError: __new__() got an unexpected keyword argument 'deny_new' - [50/5]
20. Does string slicing perform copy in memory? - [40/3]