save project

diy1.py

+import turtle
+pen = turtle.Pen()
+screen = turtle.Screen()
+screen.bgcolor("black")
+colors=["red","green","blue","yellow"]
+distance=1
+pen.speed(1000)
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(90.1)
+# 隐藏画笔，保存画布
+pen.hideturtle()
+turtle.done()