(cxcii) stackoverflow python report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2019-08-31 22:41:03 GMT

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1. Fill NaN based on previous value of row - [13/2]
2. Group by consecutive index numbers - [12/4]
3. Sort dictionary of lists by key value pairs - [12/3]
4. Add 2 new columns to existing dataframe using apply - [12/2]
5. Implement the function Fast Modular Exponentiation - [11/1]
6. Condition statement without loops - [7/4]
7. Why do these two functions have the same bytecode when disassembled under dis.dis? - [7/2]
8. Schrodinger equation for the hydrogen atom: why is numpy displaying a wrong solution while scipy isn't? - [7/2]
9. replace words and strings pandas - [7/1]
10. Numpy Array: First occurence of N consecutive values smaller than threshold - [6/3]