save project

diy2.py

 username = "python"
 userpassword = "123456"
 i=9
+j=3
 while True:
     if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
-        i-=1
+        i=i-1
         if name == username and password == userpassword:
             print("登录成功!")
             break
         print("用户名和密码错误!请重新输入")
+        j=j-1
+        print("sssssssssssbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",str(j))
         
         if name!=username:
            print("用户名错误!请重新输入") 
         continue   
         if password!= userpassword:
            print("用密码错误!请重新输入")
+           
     print("sb")
     exit()