auto save

diy2.py

+i = 3
 username = "python"
 userpassword = "123456"
 while True:
+    if i>0:   
         name = input("请输入用户名:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
@@ -12,4 +14,5 @@ while True:
         if password != userpassword:
             print("您的密码输入错误")
             
+
 print("欢迎来到贝尔编程!")
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