save project

diy2.py

@@ -2,7 +2,7 @@ i=3
 username = "python"
 userpassword = "123456"
 while True:
-    if i<4:
+    if i<0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
@@ -11,7 +11,6 @@ while True:
             print("登录成功!")
         if name!=username:
             print("用户名输入错误，请重新输入！")
-            i-=1
             continue
         if password!=userpassword:
             print("密码输入错误，请重新输入")