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
+
+
+turtle.speed(0)
+a=['red','orange','yellow','green']
+turtle.bgcolor('black')
+for i in range(1,300):
+    turtle.pencolor(a[i%4])
+    turtle.fd(i)
+    turtle.right(91)
+turtle.done()
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