save project

diy2.py

@@ -2,9 +2,10 @@ username = "python"
 userpassword = "123456"
 userpassword = "123456"
 i=3
 i=3
 while True:
 while True:
-i-=1
+    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