save project

func.py

-import turtle as p
-p.lt(90)
-p.fd(100)
-p.rt(30)
-p.fd(50)
-p.bk(50)
-p.lt(60)
-p.fd(50)
+import turtle
+import random 
+pen = turtle.Turtle()
+pen.color('sienna')
+# 画布大小
+w = turtle.Screen()
+w.bgcolor('wheat')      # wheat小麦
+
+# 移动到起点
+pen.left(90)
+pen.up()
+pen.backward(150)    # 后退
+pen.down()
+pen.speed(10)
+def tree(n):
+    if n >= 0:
+        len = random.randint(1,100)
+        angle = random.randint(1,30)
+        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(len)
+        pen.right(angle / 2)
+        tree(n - 10)
+        pen.lt(angle)
+        tree(n - 10)
+        pen.rt(angle / 2)
+        pen.up()
+        pen.bk(len)
+        pen.down()
+
+tree(60)
+turtle.done()