(cxix) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2018-03-31 20:21:48 GMT

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1. Three lists zipped into list of dicts - [16/4]
2. df.groupby(...).agg(set) produces different result compared to df.groupby(...).agg(lambda x: set(x)) - [16/2]
3. How to sum a column grouped by other columns in a list? - [12/5]
4. Remove substrings inside a list with better than O(n^2) complexity - [12/4]
5. The fastest way to exclude surrounding zeros from an array representing an image? - [10/3]
6. Using a list comprehension to look up variables works with globals() but not locals(). Why? - [10/2]
7. Python lexical analysis - logical line & compound statements - [8/3]
8. Check if pandas dataframe is subset of other dataframe - [7/3]
9. what's the equivalent method of __init__ in Perl 6? - [7/3]
10. Is this time series stationary or not? - [7/2]