save project

diy1.py

+i = 3
 username="python"
 userpassword="123456"
 while True:
+    if i>0
         name=input("输入密码")
         password==input("请输入密码:")
+        i-=1
         if name==username and password == userpassword:
             print("登录成功!")
             break
-    elif name != username:
+        if name != username:
             print("用户名错误，请重新登录")
-    else:
+        if password != userpassword
         print("密码输入错误，请重新输入")      
 print("欢迎来到贝尔编程")
\ No newline at end of file