auto save

diy1.py

+import turtle
+
+pen = turtle.Pen()
+c=['red','yellow','green','blue']
+# 请创造师在下面接着创作
+pen.speed(10)
+for i in range(1,300):
+    pen.color(c[i%4])
+    pen.forward(i)
+    pen.right(91)
+# 隐藏画笔，保存画布
+pen.hideturtle()
+turtle.done()