When python excel cross-directory operations, you need to use escape characters

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


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

fuzhai wiaoget_Sheets(fn_fuzhaibiao) 

print fuzhaibiao_allSheets)