Commit 9b975ce4 by BellCodeEditor

save project

parent 30f03771
Showing with 27 additions and 10 deletions
# 尝试编写func()函数输出斐波那契数列的第十五个数是什么?
# 斐波那契数列:1,1,2,3,5,8,13,21,34,55……
def func(n):
if n <= 2:
return 1
elif n > 2:
value = func(n-1) + func(n-2)
return value
result = func(15)
print(func(15)) #调用函数并打印结果
import turtle
pen = turtle.Turtle()
pen.color('sienna')
#画布大小
w = turtle.Screen()
w.bgcolor("wheat")
#移动到起点
pen.left(90)
pen.up
pen.backward(150)
pen.down
#分形树
def tree(n):
if n >= 50:
pen.forward(n)
pen.right(30)
tree(n-50)
pen.left(60)
tree(n-50)
pen.right(30)
pen.up()
pen.backward(n)
pen.down()
tree(100)
turtle.done()
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