auto save

diy2.py

 u = "python"
 w = "123456"
 while True:
-    if i==3: 
-        n = input("请输入用户名:")
-        p = input("请输入密码:")
+    n = input("请输入用户名:")
+    p = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
         break
     if n != u:
         print('用错')
         continue
-        i-=1
     if p != w:
         print('密错')    
-        i-=1 
-        
-    print("欢迎来到贝尔编程!")
\ No newline at end of file
+
+print("欢迎来到贝尔编程!")