關於Python中的ifelse、while和for循環的簡單小結

1.ifelse 1.1首先簡單編輯一個關於ifelse的程序： _username = ‘yanfeixu’ _password = ‘wuyifan’ username = input(「username:」) password = input(「password:」) print(username,password) if _username == username and _passwor

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