save project

diy2.py

@@ -2,13 +2,14 @@ i =3
 username = "python"
 userpassword = "123456"
 while True:
-    if i>0
+    if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
             print("登录成功!")
             break
-    elif pass name!= username:
+        elif name!= username:
             print("账户不存在，请重新输入!")
         else:
             print("密码错误，请重新输入!")