python如何实现excel多表合并（附代码）

# -*- coding: utf-8 -*-
import xlrd
import xlwt
import os
import re
""" 写入工作本 """
def write_excel(path, write_sheet):
    # 加载工作本
    book = xlrd.open_workbook(path)
    # 获取表单
    read_sheet = book.sheet_by_name('Sheet1')
    # 遍历
    for row in  range(read_sheet.nrows):
        for col in  range(read_sheet.ncols):
            write_sheet.write(row, col, read_sheet.cell_value(row,col))
            
# 获取根目录下所有文件名
def walk(path):
  for root,dirs,names in os.walk(path):
    list = []
    for filename in names:
        path = os.path.join(root, filename)
        list.append(path)
    return list
if __name__ == "__main__":
    # 创建工作本
    write_book = xlwt.Workbook()
    # 根目录
    root = r'C:\mydata\generator\excel'
    path_list = walk(root)
    for path in path_list:
        val = path.find("本专科")
        if val!=-1:
        # 正则匹配
            ser = re.search('.*20200403(.*?).xls',path)
            name = ser.group(1)
            # 创建sheet
            write_sheet = write_book.add_sheet(name)
            # 写入
            write_excel(path, write_sheet)
    # 保存        
    write_book.save(r'本专科.xls')