save project

jw.py

-
+import turtle
+import random
+
+def ate(n):
+    if n>=0:
+        pen.forward(n)
+        pen.right(30)
+        ate(n-10)
+        pen.left(60)
+        ate(n-10)
+        pen.right(30)
+        pen.up()
+        pen.backward(n)    # 后退
+        pen.down()
+pen = turtle.Turtle()
+pen.color("sienna")
+w = turtle.Screen()
+w.bgcolor("wheat")
+
+pen.left(90)
+pen.up()
+pen.backward(150)    # 后退
+pen.down()
+
+ate(60)
+turtle.done()
 
 
 

my_tree.py

@@ -2,18 +2,21 @@ import turtle
 
 pen = turtle.Turtle()
 pen.color('sienna')
-# 画布大小
+# # 画布大小
 w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 
-# 移动到起点
+# # 移动到起点
 pen.left(90)
 pen.up()
 pen.backward(150)    # 后退
 pen.down()
-pen.forward(100)
-pen.right(30)
+pen.forward(100) pen.right(30)
 pen.forward(50)
 pen.up()
 pen.backward(50)
-pen.done()
\ No newline at end of file
+pen.down()
+pen.left(60)
+pen.forward(50)
+
+turtle.done()
\ No newline at end of file