save project

diy2.py

-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!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
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+import turtle
+pen=turtle.pen()
+screen=turtle.Screen()
+color=["red","blue","purple","pink"]
+pen.speed(300)
+for i in(2000): 
+pen.range(500,1,-1)
+pen.pencolor(color[i%5])
+pen.forword()
+pen.penright(135)
+pen.highturtle()
+turtle.done
\ No newline at end of file