Commit c66ee8c5 by BellCodeEditor

save project

parent f486bad6
Showing with 21 additions and 20 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(8)
print(result)
print(func(15)) #调用函数并打印结果
import turtle
pen=turtle.Turtle()
pen.color("sienna")
w=turtle.Screen()
w.bgcolor('wheat')
prn.left(90)
pen.up()
pen.backward(150)
pen.down
def tree(n):
if n >=50:
pen.forward(n)
pen.right(30)
tree(n-50)
pen.right(30)
pen.up()
pen.backward(n)
pen.down()
tree(100)
turtle.down
\ No newline at end of file
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