如何修复错误：“字符串中”要求字符串作为左操作数而不是元组？

Question

lnames = ("Mincan","Farcasel")
auth1 = input(str("Please enter your first name, Player 1:"))
if fnames in auth1:
    print("Name authorized.")
auth2 = input(str("Please enter your last name, Player 1:"))
if lnames in auth2:
    print("Name authorized. You may proceed")
auth3 = input(str("Please enter your first name, Player 2:"))
if fnames in auth3:
    print("Name authorized.")
auth4 = input(str("Please enter your last name, Player 2:"))
if lnames in auth4:
    print("Name authorized. You may proceed.")

所以我的问题是每当我尝试运行它时，它都会给我一个错误 "in string" requires string as left operand not tuple

Answer 1

您需要将if语句更改为：if auth1 in fnames。目前，您要求python检查元组lnames是否是字符串auth1的成员，但它不能这样做