auto save

my_tree.py

@@ -2,17 +2,6 @@ import turtle
 
 
 pen = turtle.Turtle()
 pen = turtle.Turtle()
 pen.color('sienna')
 pen.color('sienna')
-def tree(n):
-    if n >= 50: 
-        pen.forward(n)
-        pen.right(30)
-        tree(n-10)
-        pen.left(60)
-        tree(n-10)
-        pen.right(30)
-        pen.up()
-        pen.backward(n)
-        pen.down()
 # 画布大小
 # 画布大小
 w = turtle.Screen()
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 w.bgcolor('wheat')      # wheat小麦
@@ -22,6 +11,13 @@ pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
-tree(100
-)
+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)
 turtle.done()
 turtle.done()