python openpyxl跨目录访问excel

import os
import win32com.client as win32
import easygui as eg
import openpyxl


fn_fuzhaibiao = 'C:/Users/laiwu/PycharmProjects/pythonProject1/1.xlsx'
wb_fuzhaibiao = openpyxl.load_workbook(fn_fuzhaibiao)

fuzhaibiao_allSheets = wb_fuzhaibiao.get_sheet_names()

print(fuzhaibiao_allSheets)