diff options
| -rw-r--r-- | challenge-282/steven-wilson/python/ch-2.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/challenge-282/steven-wilson/python/ch-2.py b/challenge-282/steven-wilson/python/ch-2.py index 199cffc157..afc62d82a7 100644 --- a/challenge-282/steven-wilson/python/ch-2.py +++ b/challenge-282/steven-wilson/python/ch-2.py @@ -21,7 +21,7 @@ def changing_keys(string): if not all(c.isalpha() for c in string): raise ValueError('User should type an aphabetic string') - return len([item for _, item in groupby(string.casefold())]) - 1 + return sum(1 for _ in groupby(string.casefold())) - 1 if __name__ == "__main__": |