save project

diy2.py

 username = "78"
+i = 3
 userpassword = "91"
 while True:
-    if i>=0
+    if i > 0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         i-=1
@@ -12,7 +13,9 @@ while True:
             print("用户名错误!请重新输入")
         elif password != userpassword:
             print("密码错误!请重新输入")
-        else:
+        print("还有"+str(i)+"次机会")
+    else:
         print("账号锁定")
         exit()
+
 print("欢迎来到贝尔编程!")
\ No newline at end of file