save project

diy2.py

-i = 3
+i = 4
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
@@ -9,10 +9,13 @@ while True:
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
-        if name != username:
+        elif name != username:
             input("用户名错误，请重新输入！")
             input("用户名错误，请重新输入！")
+            print("温馨提示：您还有"+str(i)+"次机会")
             continue
             continue
-        if password != userpassword:
+        else:
             input("密码错误，请重新输入！")
             input("密码错误，请重新输入！")
+            print("温馨提示：您还有"+str(i)+"次机会")
     print("你的账户已被锁定，请使用其他方法解锁！")
     print("你的账户已被锁定，请使用其他方法解锁！")
+    exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file