save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 while True:
 while True:
+    if i>0:
         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:")
+        i -= 1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
@@ -11,6 +14,8 @@ while True:
             continue
             continue
         if password != userpassword:
         if password != userpassword:
             print("密码错误")
             print("密码错误")
-    print("用户名和密码错误!请重新输入")
+    else:   
+        print("wefggeawehhwuqegewuh")
+        exit() 
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
              
              
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