save project

diy2.py

-i=0
+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
     if i>0:
     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("登陆成功")    
             print("登陆成功")    
             break
             break
-        i-=1
         if name != username:
         if name != username:
             print("用户名错误，请重新输入")
             print("用户名错误，请重新输入")
             continue
             continue
-        
         if password != userpassword:
         if password != userpassword:
             print("密码错误，请重新输入")
             print("密码错误，请重新输入")
             continue
             continue