auto save

diy1.py

 import turtle
 import turtle
+import random
 pen=turtle.Turtle()
 pen=turtle.Turtle()
-pen.color('wheat')
+w = turtle.Screen()
+w.bgcolor('wheat')
+def tree(n):
+    if n>=0:
+        if n<=12:
+            color_list=['snow','lightcoral']
+            color=random.choice(color_list)
+            pen.color(color)
+            pen.pensize(n/3)
+        else:
+            pen.color('sienna')
+            pen.pensize(n/10)
+
+        pen.forward(n)
+        angle=random.randint(0,30)
+        length=random.randint(1,15)
+        pen.right(angle)
+        tree(n-length)
+        pen.left(2*angle)
+        tree(n-length)
+        pen.right(angle)
+        pen.up()
+        pen.backward(n)
+        pen.down() 
+pen.left(90)
+pen.up()
+pen.backward(100)
+pen.down() 
+tree(60)
+turtle.done()
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