(clviii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2018-12-29 22:40:39 GMT

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1. Why does an empty string in Python sometimes take up 49 bytes and sometimes 51? - [45/2]
2. Groupby class and count missing values in features - [14/3]
3. Force elements at beginning and end of list - [11/7]
4. Large amount of lists concatenation - [9/6]
5. differences for creating set using set() or {} - [6/5]
6. How to search for a substring, find the beginning and ending, and then check if that data is a weekday? - [6/5]
7. How to delete list item automatically in python? - [6/4]
8. How to calculate the average of the most recent three non-nan value using Python - [6/3]
9. Compute the last (decimal) digit of x1 ^ (x2 ^ (x3 ^ (... ^ xn))) - [6/3]
10. How to use while(i = getNext()) pattern in python - [6/2]