save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 whilt True:
 whilt True:
+    if i>0
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i-=1
         if name ==username and password ==userpassword
         if name ==username and password ==userpassword
             print("登录成功!")
             print("登录成功!")
             break
             break