save project

diy1.py

-username="python"
-userpassword="123456"
+i=3
+username="qython"
+userpassword="723456"
 while True:
+    if i>0:
         name=input("请输入用户名:")
         password=input("请输入密码: ")
+        i -= 1
         if name == username and password == userpassword:
             print("登入成功!")    
             break
@@ -11,4 +14,7 @@ while True:
             continue                  
         if password != userpassword:
             print("密码不正确！请重新输入!")
+    else:
+        print("你的账户已被锁定，请亿个小时以后再来")
+        exit()
 print("欢迎来到贝尔编程!")