save project

dhew.py

@@ -2,19 +2,20 @@ i=5
 username = "python"
 userpassword = "123456"
 while True:
-    if i>0
+    if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
-        if-=1
+        i-=1
         if name == username and password == userpassword:
             print("登录成功!")
             break
         elif name != username:
             print("用户名错误,请重新输入!")
         else:
-            password != userpassword:
+            password != userpassword
             print("密码输入有误,请重新输入!")
     else:
         print("想解锁就去公安局吧")
+        exit()
 print("欢迎来到贝尔编程!")