tvl-depot/scratch/facebook/reverse-string-in-place.py
William Carroll aa66d9b83d Add coding exercises for Facebook interviews
Add attempts at solving coding problems to Briefcase.
2020-11-12 14:37:29 +00:00

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)