闘本 1.4 回文の順列

提出

code: txt

import Counter from collection

def is_kaibun(s):

lower = s.to_lowercase()

c = Counter(lower)

even = 0

for v in c.value():

if v % 2 == 0:

continue

else:

even += 1

if even > 1:

return False

return True

実行結果

code: zsh

File "/Users/wafuwafu13/Desktop/CtCI-6th-Edition-Python/debug.py", line 1

import Counter from collection

^^^^

File "/Users/wafuwafu13/Desktop/CtCI-6th-Edition-Python/debug.py", line 4, in is_kaibun

lower = s.to_lowercase()

^^^^^^^^^^^^^^

File "/Users/wafuwafu13/Desktop/CtCI-6th-Edition-Python/debug.py", line 7, in is_kaibun

for v in c.value():

^^^^^^^