Python 斐波那契数列
Python 3 教程
· 2019-02-12 12:28:30
斐波那契数列指的是这样一个数列 0, 1, 1, 2, 3, 5, 8, 13,特别指出:第0项是0,第1项是第一个1。从第三项开始,每一项都等于前两项之和。
Python 实现斐波那契数列代码如下:
实例(Python 3.0+)
# -*- coding: UTF-8 -*-
# Filename : test.py
# author by : www.codercto.com
# Python 斐波那契数列实现
# 获取用户输入数据
nterms = int(input("你需要几项?"))
# 第一和第二项
n1 = 0
n2 = 1
count = 2
# 判断输入的值是否合法
if nterms <= 0:
print("请输入一个正整数。")
elif nterms == 1:
print("斐波那契数列:")
print(n1)
else:
print("斐波那契数列:")
print(n1,",",n2,end=" , ")
while count < nterms:
nth = n1 + n2
print(nth,end=" , ")
# 更新值
n1 = n2
n2 = nth
count += 1
执行以上代码输出结果为:
你需要几项? 10 斐波那契数列: 0 , 1 , 1 , 2 , 3 , 5 , 8 , 13 , 21 , 34 ,
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