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0.91°，重复执行0.03次，查看效果
+"""
+import turtle
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("blue")
+colors=["black","yellow","red","orange"]
+distance=1
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
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