save project

diy1.py

-import turtle
-pen=turtle.pen()
-pen.write("诺依，turtle真好用，我会在画布上写字啦",font=("Times",30,"normal"))
-pen.hideturtle()
-turtle.done()
-
+username=qwertyuiop
+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   
+    print("用户名或密码错误")
+print("欢迎来到贝尔编程！")
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