save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
@@ -10,4 +11,8 @@ while True:
         print("用户名错误")
         print("用户名错误")
     if password!=userpassword:
     if password!=userpassword:
         print("密码错误")
         print("密码错误")
+        i-=1
+    if i==0:
+        print("你账号被锁定")
+        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