08python 主函数调用子函数

import requests
from lxml import etree
import time
import csv
from urllib.request import urlopen, Request
from lxml import etree


def crow_first(n):
    print(n)
    # 定义函数抓取每页前30条商品信息
    # 构造每一页的url变化



if __name__ == '__main__':
    for i in range(1, 10):
        # 下面的print函数主要是为了方便查看当前抓到第几页了
        print('***************************************************')
        try:
            print('   First_Page:   ' + str(i))
            crow_first(i)
            print('   Finish')
        except Exception as e:
            print(e)