n = 1 user = '123' pwd = '456' while n < 4 : n1 = input("請輸入用戶名: ") n2 = input("請輸入密碼: ") if user == n1 and pwd == n2 : print("登錄成功") break else: print("用戶名或者密碼錯誤") n = n + 1 if n == 4: print("登錄次數超過3次,登錄失敗")
n = 1 user = '123' pwd = '456' while n < 4 : n1 = input("請輸入用戶名: ") n2 = input("請輸入密碼: ") if user == n1 and pwd == n2 : print("登錄成功") break else: print("用戶名或者密碼錯誤") n = n + 1 if n == 4: print("登錄次數超過3次,登錄失敗")
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