Commit 04e81d1a by BellCodeEditor

save project

parent d669ae5d
Showing with 26 additions and 11 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? import turtle
# 斐波那契数列:1,1,2,3,5,8,13,21,34,55……
def func(n): pen=turtle.Turtle()
if n<=2: pen.color('sienna')
return 1 w=turtle.Screen()
elif n>2: w.bgcolor('wheat')
a=func(n-1)+func(n-2)
return a pen.left(90)
pen.up()
print(func(8)) #调用函数并打印结果 pen.backward(150)
\ No newline at end of file pen.down()
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()
\ No newline at end of file
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