save project

my_tree.py

 import turtle
 
-pen = turtle.Turtle()
-pen.color('sienna')
+p = turtle.Turtle()
+p.color('sienna')
 # 画布大小
 w = turtle.Screen()
-w.bgcolor('wheat')      # wheat小麦
+w.bgcolor('black')      # wheat小麦
 
 # 移动到起点
-pen.left(90)
-pen.up()
-pen.backward(150)    # 后退
-pen.down()
+p.left(90)
+p.up()
+p.backward(150)    # 后退
+p.down()
 
+p.forward(100)
+p.left(30)
+p.forward(90)
+p.forward(-90)
+p.left(-60)
+p.forward(90)
 turtle.done()