save project

diy2.py

@@ -3,11 +3,32 @@ userpassword = "123456"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")
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     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    elif name!=username:
+    elif name != username:
         print("用户名不存在，请重新输入！")
         print("用户名不存在，请重新输入！")
-    else password!=userpassword:
+    else :
         print("密码输入有误，请重新输入！")
         print("密码输入有误，请重新输入！")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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