save project

tree.py

+import turtle
+pen=turtle.Pen()
+pen.pendown()
+pen.left(90)
+pen.forward(200)
+t=1
+for i in range(20):
+    pen.left(30+t)
+    pen.forward(25+t)
+    t=t+5
+for a in range(20):
+    pen.right(30+t)
+    pen.forward(25+t)
+    t=t+5
+for a in range(20):
+    pen.right(30+t)
+    pen.forward(25+t)
+    t=t+5
+for i in range(20):
+    pen.left(30+t)
+    pen.forward(25+t)
+    t=t+5 
+turtle.down
+