auto save

diy2.py

-i = 5   # 行
-j = 3   # 列
-# 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
+"""
+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()
+colors=["red","orange","yellow","green"]
+for i in range(1，300):
+    pen.forward(i)
+    pen.pencolor(colors[i%4])
+    pen.right(91)
+turtle.done()
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