save project

diy1.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
+    if i>0:    
         name=input("请输入用户账号")
         password=input("请输入用户密码")
+        i=i-1
         if name==username and password==userpassword:
             print("登陆成功")
             break
         if name!=username:
             print("用户账号输入错误，请重新输入")
+            print("您还有"+str(i)+"次机会")
             continue
         if password!=userpassword:
             print("用户密码输入错误，请重新输入")
+            print("您还有"+str(i)+"次机会")
+    else:
+        print("您的账号已被锁定，请一个小时之后再来")
+        exit()    
 print("欢迎来到贝尔编程！")
\ No newline at end of file