[python]Duplicate Numbers

---

def chkDupNum(s):
    result = []
    for num in s:
        if num not in result:
            result.append(num)
        else:
            return False
    return len(result) == 10

print(chkDupNum("0123456789"))      # True 리턴
print(chkDupNum("01234"))           # False 리턴
print(chkDupNum("01234567890"))     # False 리턴
print(chkDupNum("6789012345"))      # True 리턴
print(chkDupNum("012322456789"))    # False 리턴

 

 

 

출처 : 점프 투 파이썬