save project

my_tree.py

@@ -6,10 +6,18 @@ pen.color('sienna')
 w = turtle.Screen()
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 w.bgcolor('wheat')      # wheat小麦
 
 
-# 移动到起点
 pen.left(90)
 pen.left(90)
+pen.forward(100)
+pen.right(30)
+pen.forward(50)
+pen.forward(-50)
+pen.left(60)
+pen.forward(50)
+pen.forward(-50)
+# 移动到起点
+pen.left(150)
 pen.up()
 pen.up()
-pen.backward(150)    # 后退
+pen.forward(150)    # 后退
 pen.down()
 pen.down()
 
 
 turtle.done()
 turtle.done()