auto save

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
+"""
+a=92
+b=["red","blue","yellow","green"]
+import turtle
+pen=turtle.Pen()
+screensize=turtle.Screen()
+screensize.bgcolor("black")
+pen.left(90)
+for i in range(0,300):
+    pen.pencolor(b[i%4])
+    pen.forward(i)
+    pen.right(a)
+
+
+