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| def solution(s):
alpha = 'abcdefghijklmnopqrstuvwxyz'
FalseNum = 0
if len(s) == 4 or len(s) == 6:
for i in range(len(s)):
if s[i].lower() in alpha:
FalseNum += 1
else:
pass
if FalseNum != 0:
return False
else:
return True
else:
return False
solution('1a1114')
|