save project

my_tree.py

+import turtle
+
+
+
+
+
+def tree(n):
+    if n >= 0:
+        pen.forward(n)
+        pen.right(30)
+        tree(n-10)
+        pen.left(60)
+        tree(n-10)
+c        pen.up()
+        pen.backward(n)
+        pen.down()
+pen=turtle.Turle()