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()
+Screen.bgcolor("black")
+
+colors=["red","yellow","white","orange"]
+pen.speed(100)
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.left(91)
+pen.hideturtle()
+pen.done()
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