VS2022安装Python开发环境的详细过程

import time
 
def fun_bis(num):                                   #裴波那契函数
	result = [0, 1]
	for i in range(num-2):
		result.append(result[-2]+result[-1])
	return result
 
def main():
	result = fun_bis(20)
	fobj = open('result.txt', 'w+')                 #打开文本文件result.txt
	for i, num in enumerate(result):                #循环打印和保存数列数据
		print("index %d is %d" % (i, num))
		fobj.write("index %d is %d \n" % (i, num))
		time.sleep(1)                               #间隔1秒钟
 
if __name__ == '__main__':
	main()