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
+ys=["red","blue","green","yellow"]
+turtle.bgcolor("black")
+for i in range(300):
+    turtle.pencolor(ys[i%4])
+    turtle.forward(i)
+    turtle.left(91)
+turtle.done()
+