a = "aa123"b = "11111"c = "aaaaa"print(a.isalnum())print(b.isalnum())print(b.isalnum())輸出/python/ex7# python d6.py TrueTrueTrue應該是TrueFalseFalse才對吧,是不是python版本不行?python 版本號Python 2.6.4rc2 (r264rc2:75497, Oct 20 2009, 02:55:11)
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慕工程0101907
TA貢獻1887條經驗 獲得超5個贊
s=input("please inupt string")
print(s.isdigit()) #用isdigit函數判斷是否數字
print(s.isalpha()) #isalpha判斷是否字母
print(not (s.isalpha() or s.isdigit()) and s.isalnum()) #isalnum判斷是否數字和字母的組合
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