Files
30-seconds-of-code/snippets/difference.md
2020-09-15 16:25:15 +03:00

372 B

title, tags
title tags
difference list,beginner

Returns the difference between two iterables.

  • Create a set from b, then use list comprehension on a to only keep values not contained in the previously created set, _b.
def difference(a, b):
  _b = set(b)
  return [item for item in a if item not in _b]
difference([1, 2, 3], [1, 2, 4]) # [3]