save project

my_tree.py

@@ -2,6 +2,7 @@ import turtle
 
 pen = turtle.Turtle()
 pen.color('sienna')
+pen.speed(-1)
 # 画布大小
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
@@ -12,4 +13,16 @@ pen.up()
 pen.backward(150)    # 后退
 pen.down()
 
+#开始画
+pen.forward(100)
+pen.right(30)
+pen.forward(50)
+pen.backward(50)
+pen.left(60)
+pen.forward(50)
+pen.backward(50)
+pen.right(30)
+pen.backward(100)
+
+#保留画布
 turtle.done()
\ No newline at end of file