save project

diy2.py

-i
+i=3
 username = "python"
 userpassword = "123456"
 while True:
-    if i>0
-        i+=1
+    if i>0:
+        i-=1
         name = input("请输入用户名:")
         password = input("请输入密码:")
         if name == username and password == userpassword: