auto save

my_tree.py

-import turtle
+import turtle #导入模块
+a=turtle.Pen() #设置画笔
+a.shape('turtle')
+for i in range(5):
+    a.forward(100)
+    a.left(144)
 
-pen = turtle.Turtle()
-pen.color('sienna')
-# 画布大小
-w = turtle.Screen()
-w.bgcolor('wheat')      # wheat小麦
 
-# 移动到起点
-pen.left(90)
-pen.up()
-pen.backward(150)    # 后退
-pen.down()
-
-turtle.done()
+turtle.done() #画布展示
\ No newline at end of file