save project

KLF.py

+username="KLF"
+uaerpassword="54188"
+while True:
+    name=input("请输入用户名")
+    password=input("请输入密码")
+    if name==username and password==uaerpassword:
+    print("登录成功")
+    break
+
+    print("用户或密码错误,请重新输入")
+print("欢迎来到贝尔世界")
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