save project

b020d414 · BellCodeEditor · 46493148 · b020d414
Commit b020d414 authored Jun 04, 2022 by BellCodeEditor
Showing with 16 additions and 13 deletions
my_tree.py
--- a/my_tree.py
+++ b/my_tree.py
@@ -11,19 +11,21 @@ pen.up()
 pen.backward(150)    # 后退
 pen.down()
-pen.foward(100)
+def tree(n):
-pen.right(30)
+    if n <= 50:
-pen.foward(50)
+        pen.foward(n)
-pen.up()
+        pen.right(30)
-pen.backward(50)
+        pen.foward(n-10)
-pen.down()
+        pen.up()
-pen.left(60)
+        pen.backward(n)
-pen.foward(50)
+        pen.down()
-pen.up()
+        pen.left(60)
-pen.backward(50)
+        pen.foward(n-10)
-pen.left(-60)
+        pen.up()
-pen.backward(100)
+        pen.backward(n)
+        pen.right(30)
+        pen.backward(n)
+tree(50)
 turtle.done()
\ No newline at end of file