auto save

my_tree.py

@@ -6,10 +6,14 @@ pen.color('sienna')
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 
-# 移动到起点
+# pen.goto(0,0)# 移动到起点
 pen.left(90)
+pen.forward(100)
+pen.right(30)
+pen.forward(50)
 pen.up()
-pen.backward(150)    # 后退
+pen.backward(50)    # 后退
 pen.down()
-
+pen.left(60)
+pen.forward(50)
 turtle.done()