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:")
     if name == username and password == userpassword:
@@ -9,7 +10,9 @@ while True:
     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!")
\ No newline at end of file