save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while 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
@@ -10,7 +13,8 @@ while True:
             
             
     if name!=username:
     if name!=username:
         print("用户不存在，请重新输入！")
         print("用户不存在，请重新输入！")
-        
+ else:
+     pass       
     else
     else
     if password!=userpassword:
     if password!=userpassword:
         print("密码输入有误，请重新输入！")
         print("密码输入有误，请重新输入！")