from __future__ import print_function def gnome_sort(unsorted): """ Pure implementation of the gnome sort algorithm in Python. """ if len(unsorted) <= 1: return unsorted i = 1 while i < len(unsorted): if unsorted[i-1] <= unsorted[i]: i += 1 else: unsorted[i-1], unsorted[i] = unsorted[i], unsorted[i-1] i -= 1 if (i == 0): i = 1 if __name__ == '__main__': try: raw_input # Python 2 except NameError: raw_input = input # Python 3 user_input = raw_input('Enter numbers separated by a comma:\n').strip() unsorted = [int(item) for item in user_input.split(',')] gnome_sort(unsorted) print(unsorted)