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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("light pink")
-colors=["white","blue","violet","cyan"]
-# 请创造师在下面接着创作
-distance=1
+import  turtle
+sc = turtle.Screen()
+sc.bgcolor("black")
+pen=turtle.Pen()
 pen.speed(1000)
-for i in range(1,300):
+length=0
+colors=["red","green","yellow","blue"]
+for i in range(400):
     pen.pencolor(colors[i%4])
-    pen.forward(i)
-    pen.right(91)
-# 隐藏画笔，保存画布
-pen.hideturtle()
-turtle.done()
+    pen.forward(length)
+    length=length+2
+    pen.left(90)
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