Sorting Strings as Numeric Values in Python3

A small hack to do natural, numeric sort of string values in Python is to use the int function when calling sorted (here, applied to a dictionary get it sorted by its keys):

    for position in sorted(positions.keys(), key=int):

This will call int() for each value in the list to sorted, and use the numeric value instead of the asciivalue (if the keys / elements are strings instead of numbers).

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