Python将多份excel表格整理成一份表格

import xlrd 
import xlwt 
import os 
from xlutils.copy import copy 
import os.path 
from xlwt import * 
dir = input("输入文件路径\n"); 
start_row = input("输入需要读取起始行号\n"); 
start_row = int(start_row) 
end_row = input("输入结束行,输入0表示有内容的最后一行\n") 
end_row = int(end_row) 
#dir = 'E:\毕业资料\2013电2\\' 
all_file = []; 
def min_s(a ,b): 
  if a == 0: 
    return b 
  if (a >b): 
    return b 
  else: 
    return a 
#遍历所有同学文件 
for parent,folder,filename in os.walk(dir): 
  for file,x in zip(filename,range(len(filename))): 
    file = os.path.join(parent,filename[x]) 
    print(filename[x]) 
    all_file.append(file) 
print("\n文件总数：",len(all_file)) 
if os.path.exists("result.xls"): 
  os.remove("result.xls") 
w = xlwt.Workbook() 
row = 0; 
ws = w.add_sheet('sheet1',cell_overwrite_ok=True) 
style = XFStyle()              
fnt = Font()                            
fnt.height = 240     
fnt.name = u'宋体' 
style.font = fnt     
align = Alignment() 
align.horz = 2 
style.alignment = align 
for single_file_path in all_file: 
  data = xlrd.open_workbook(single_file_path); 
  sheet = data.sheet_by_index(0) 
  if sheet.nrows >= start_row: 
    for i in range(start_row-1,min_s(end_row,sheet.nrows)): 
      list = sheet.row_values(i) 
      for col in range(0,len(list)): 
        ws.write(row,col,list[col],style) 
      row = row + 1; 
  else: 
    print("非法填写的表格名称:"+single_file_path) 
  #写入目标文件 
 
print("运行结束，结果保存在result.xls文件里\n") 
print("对于日期，可将对应单元格设置为为日期格式便可正确显示\n" 
   "对于超长数字例如身份证号码，设置为文本格式即可\n") 
w.save('result.xls') 
os.system("pause")