save project

my_tree.py

@@ -4,12 +4,23 @@ pen = turtle.Turtle()
 pen.color('sienna')
 # 画布大小
 w = turtle.Screen()
-w.bgcolor('wheat')      # wheat小麦
+w.bgcolor('wheat')  
+pen.pensize(10)  
+pen.shape('turtle')  # wheat小麦
 
 # 移动到起点
 pen.left(90)
 pen.up()
 pen.backward(150)    # 后退
 pen.down()
+pen.fd(200)
+pen.lt(-30)
+pen.fd(100)
+pen.backward(100) 
+pen.lt(60)
+pen.fd(100)
+pen.backward(100) 
+pen.lt(-30)
+pen.backward(200) 
 
 turtle.done()