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!")
\ No newline at end of file
+import turtle
+
+pen=turtle.Pen()
+colors=["red","orange","yellow","green"]
+for i in range (1,300):
+    pen.forward(i)
+    pen.right(91)
+    pen.pencolor(colors[i%4])
+turtle.hideturtle()
+turtle.done()