Get the logical loop of a table

import os 
import win32com.client as win32 
import shutil 
import openpyxl 

#####The first step is to drop the xlsx file in the original folder and copy it directly to the bak folder, slice rst 

file = [] 

path = os.getcwd() # The file directory where the program is located before conversion 

path_bak = os.getcwd() + r'/bak/' 

pathdir = os.listdir(path) 
print(pathdir) 
for s in pathdir: 
    newdir = os.path.join(path, s) 
    if os.path.isfile(newdir): 
        os.chdir(path_bak) 
        pathdir_bak = os.listdir(path_bak) 
       # print(pathdir_bak) 
        if os.path.splitext(newdir)[1] == ".xls": 
            t = os.path.split(s)[1] + r'x' 
            if os.path.exists(t): 
            # print(os.path.exists(os.path.split(s)[1])) 
                break
            else:
                excel = win32.gencache.EnsureDispatch('Excel.Application')
                wb = excel.Workbooks.Open(newdir)
             #   print(newdir)
                path_dir = os.path.split(newdir)[0]
                path_file = os.path.split(newdir)[1]
              #  print(path_dir)
             #   print(path_file)
                wb.SaveAs(path_dir + '/bak/' + path_file + 'x', FileFormat=51)  # FileFormat = 51 is for .xlsx extension
                wb.Close()  # FileFormat = 56 is for .xls extension
                excel.Application.Quit()
        elif os.path.splitext(newdir)[1] == ".xlsx": 
            file.append(newdir) 


    elif os.path.isdir(newdir): 
        continue

for i in range(len(file)): 
    pcm_file = file[ i] 
    path_0 = os.path.split(file[i])[0] 
    path_1 = os.path.split(file[i])[1] 
    oldname = path_0 +'/' + path_1 
    newname = path_0 + r'/ bak/' + path_1 
    shutil.copyfile(oldname, newname) 

#####The second step is to switch the file directory to the bak folder, and slice uvw 



file_deal = [] 

path_deal = os.getcwd() # Where the program is before conversion File directory 





pathdir_deal = os.listdir(path_deal) 
for u in pathdir_bak: 
    newdir_deal = os.path.join(path_deal, u) 
    file_deal.append(newdir_deal) 
   # print(file_deal)


 
for j in range(len(file_deal)): 
    pcm_file_deal = file_deal[j] 
    path_0_deal = os.path.split(file_deal[j])[0] #The directory where the file is located
    path_1_deal = os.path.split(file_deal[j])[1]   #文件名称带后缀
  #  print(pcm_file_deal)
  #  print(path_0_deal)
    print(path_1_deal)


    wb = openpyxl.load_workbook(path_1_deal)

    allSheets = wb.get_sheet_names()

    for i in range(len(allSheets)):
        sheet = wb.get_sheet_by_name(allSheets[i])
        for row in sheet.iter_rows():
            for cell in row:
                if str(str(cell.value).replace(' ', '')).find("资产负债表") != -1:
                    sheet_selected = wb.get_sheet_by_name(allSheets[i])
                    print(sheet_selected)
                    break
ws = wb.get_sheet_by_name(sheet_selected.title)
print(ws)