save project

diy2.py

@@ -2,17 +2,19 @@ i=3
 username = "python"
 userpassword = "123456"
 while True:
-    if i>0:
+    if i>1:
         name = input("请输入用户名:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
             print("登录成功!")
             break
         if name != username:
             print("用户名错误!请重新输入")
+            print("提示：还有"+str(i)+"机会")
             continue
         if password != userpassword :
-            i-=1
+            print("提示：还有"+str(i)+"机会")
             print("密码错误!请重新输入")
     else:
          print("用户锁定")