save project

star.py

@@ -13,4 +13,21 @@
 #turtle.done()
 
 
-player=input("请出拳（石头/剪刀/布：")
+username = "python"
+userpassword = "123456"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password == userpassword:
+        print("登录成功!")
+        break
+    if name != username:
+        print("用户名不存在,请重新输入!")
+    continue
+    if password != userpassword:
+        print("密码输入有误,请重新输入!")
+
+print("欢迎来到贝尔编程!")
+
+
+