Commit ea3ca548 by BellCodeEditor

save project

parent 162bab35
Showing with 19 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…… pen=turtle.Turtle()
def func(n): pen.color("sienna")
if n<=2:
return 1 w=turtle.Screen()
elif n>2: w.bgcolor("wheat")
a=func(n-1)+func(n-2) pen.left(90)
return a pen.up()
pen.backward(150)
print(func(15)) #调用函数并打印结果 pen.down()
pen.forward(100)
pen.left(30)
pen.forward(50)
pen.up()
pen.backward(50)
pen.left(60)
pen.forward(50)
turtle.done()
\ No newline at end of file
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