From 33c653c36b8813e81631764c6ca4d852f5411a83 Mon Sep 17 00:00:00 2001 From: Hodza Alban Date: Wed, 28 Feb 2018 08:39:07 +0100 Subject: [PATCH] Issue #19 --- snippets/difference.md | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/snippets/difference.md b/snippets/difference.md index e8efec4d7..e6adc0298 100644 --- a/snippets/difference.md +++ b/snippets/difference.md @@ -1,14 +1,13 @@ ### difference -Returns the difference between two arrays. +Returns the difference between two iterables. -Create a `set` from `b`, then use list comprehension to only keep values not contained in `b` +Use list comprehension to only keep values not contained in `b` ```python def difference(a, b): - b = set(b) - return [item for item in a if item not in b] +    return [item for item in a if item not in b] ``` ``` python difference([1, 2, 3], [1, 2, 4]) # [3] -``` \ No newline at end of file +```