save project

diy1.py

+"""
+使用turtle模块画图
+每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
+"""
+import turtle 
+pen=turtle.Pen()
+screen=turtle.Screen()
+pencolor=["red","green","orange","yellow"]
+pen.speed(5)
+screen.bgcolor("black")
+for i in range(300):
+    pen.color(pencolor[i%4])
+    pen.forward(i)
+    pen.right(91)
+turtle.done()
+