[프로그래머스][Python] 문자열 다루기 기본
def solution(s):
if (s.isdigit()==True) and (len(s)==4 or len(s)==6):
return True
else :
return False
def solution(s):
if (s.isdigit()==True) and (len(s)==4 or len(s)==6):
return True
else :
return False