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
+# """
+# 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()
-# 请创造师在下面接着创作
-distance=1
-for i in range(300):
-    pen.forward(distance)
-    distance+=1
-    pen.right(121)
-# 隐藏画笔，保存画布
+# pen = turtle.Pen()
+# # 请创造师在下面接着创作
+# distance=1
+# for i in range(300):
+#     pen.forward(distance)
+#     distance+=1
+#     pen.right(121)
+# # 隐藏画笔，保存画布
+# pen.hideturtle()
+# turtle.done()
+import turtle
+pen=turtle.Pen()
+pen.speed(20)
+s=turtle.Screen()
+s.bgcolor("black")
+colors=["red","green","orange","yellow"]
+for i in range(1,3000):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.left(91)
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
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