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
+color=['red','yellow','green','blue']
+turtle.bgcolor('black')
+turtle.speed(0)
+for i in range(1,500):
+    turtle.pencolor(color[i%4])
+    turtle.forward(i)
+    turtle.right(91)
+turtle.hideturtle()
+turtle.done()
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