Coverage for e30_flatten_list.py : 100%

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1#!/usr/bin/env python3
3"""Solution to chapter 7, exercise 29: flatten"""
6def flatten(mylist):
7 """Expects to get a nested list (a list of lists)
8as input. Returns a flattened list, containing the
9elements of mylist in order, as output.
10"""
11 return [one_element
12 for one_sublist in mylist
13 for one_element in one_sublist]