utils module

This module contains utility functions.

utils.sorted_by_key(x, i, reverse=False)

For a list of lists/tuples, return list sorted by the ith component of the list/tuple,

Examples

Sort on first entry of tuple:

>>> sorted_by_key([(1, 2), (5, 1)], 0)
[(1, 2), (5, 1)]

Sort on second entry of tuple:

>>> sorted_by_key([(1, 2), (5, 1)], 1)
[(5, 1), (1, 2)]

Parameters:

• x (list) – A list of lists/tuples to be sorted
• i (int) – Sort according to which element of the inner lists/tuples
• reverse (bool, optional) – Default False

Returns:

Sorted list of lists/tuples

Return type:

list