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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 as t
-
-# 请创造师在下面接着创作
 
+import turtle as t
+screen=t.Screen()
+screen.bgcolor("black")
+colors=["red","orange","yellow","green"]
 for i in range(3000):
-
-    t.speed(100)
+    t.color(colors[i%4])
+    t.speed(1000)
     t.forward(i)
-    i+=0.01
-    t.right(31)
+    i+=1
+    t.right(181)
 # 隐藏画笔，保存画布
 t.hideturtle()
 t.done()
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