save project

diy1.py

@@ -3,13 +3,18 @@
 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
 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
 import turtle
+a=1
+distance=1
 pen = turtle.Pen()
 pen = turtle.Pen()
+colors=["red","yellow","bule","green"]
 # 请创造师在下面接着创作
 # 请创造师在下面接着创作
-distance=1
 for i in range(300):
 for i in range(300):
+    pen.pendown()
+    pen.pencolor(colors[a%4])
     pen.forward(distance)
     pen.forward(distance)
     distance+=1
     distance+=1
-    pen.right(181)
+    pen.right(91)
+    
 # 隐藏画笔，保存画布
 # 隐藏画笔，保存画布
 pen.hideturtle()
 pen.hideturtle()
 turtle.done()
 turtle.done()
\ No newline at end of file