save project

my_tree.py

 import turtle
 import turtle
-import random
+
 pen = turtle.Turtle()
 pen = turtle.Turtle()
 pen.color('sienna')
 pen.color('sienna')
 # 画布大小
 # 画布大小
 w = turtle.Screen()
 w = turtle.Screen()
-w.bgcolor('wheat')  
-pen.speed(0)    # wheat小麦
-def tree(n):
-    if n > 0:
-        if n<= 12:
-            color_list=['snow','lightcoral']
-            coior = random.choice(color_list)
-            pen.color(color)
-            pen.pensize(n/3)
-        else:
-            pen.color('sienna')
-            pen.pensize(n/10)
-        pen.forward(n)
-        a = random.randint(0,30)
-        pen.right(a)
-        tree(n-10)
-        pen.left(2*a)
-        tree(n-10)
-        pen.right(a)
-        pen.up()
-        pen.backward(n)
-        pen.down()
+w.bgcolor('wheat')      # wheat小麦
 
 
 # 移动到起点
 # 移动到起点
 pen.left(90)
 pen.left(90)
 pen.up()
 pen.up()
 pen.backward(150)    # 后退
 pen.backward(150)    # 后退
 pen.down()
 pen.down()
+pen.forward(100)    
+pen.right(30)
+pen.forward(50)
+pen.backward(50)
+pen.left(60)
+pen.forward(50)
+pen.backward(50)
+pen.right(30)
+pen.backward(100)
 turtle.done()
 turtle.done()