tvl-depot/users/wpcarro/scratch/facebook/reverse-string-in-place.py
Vincent Ambo 019f8fd211 subtree(users/wpcarro): docking briefcase at '24f5a642'
git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789
2021-12-14 02:15:47 +03:00

14 lines
257 B
Python

# reverse :: [Char] -> ()
def reverse(xs):
i = 0
j = len(xs) - 1
while i < j:
xs[i], xs[j] = xs[j], xs[i]
i += 1
j -= 1
xs = [list("testing"), list("a"), list("to")]
for x in xs:
print(x)
reverse(x)
print(x)