How to combine 5 Excel files with the same name but in 5 different folders?

import pandas as pd from pandas import ExcelWriter import os d1 = “D:\master concordia\DYD\Ecobee DYD\canada\y\Canada 2015” d2 = “D:\master concordia\DYD\Ecobee DYD\canada\y\Canada 2016” d3 = “D:\master concordia\DYD\Ecobee DYD\canada\y\Canada 2017” d4 = “D:\master concordia\DYD\Ecobee DYD\canada\y\Canada 2018” d5 = “D:\master concordia\DYD\Ecobee DYD\canada\y\Canada 2019” output_dir = “D:\master concordia\DYD\Ecobee DYD\canada\y\new” files_2015= os.listdir(d1) files_2016= os.listdir(d2) files_2017= os.listdir(d3) files_2018= os.listdir(d4) files_2019= os.listdir(d5)…

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Qt Installer Framework: TypeError cannot read property name

I tried creating an installer following the tutorial. I then added a script called “installerscript.qs” as per the startmenu example in the Qt Installer Framework directory. The “installscript.qs” is as follows: /**************************************************************************** ** ** ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ ** ** ** open-editor to use. ** Copyright (C) 2018 os_sys-devlopment-group ** ** This program is free software: you…

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why this multiprocess program is running slowly than its not concurrent version?

I have made a program for adding a list by dividing them in subparts and using multiprocessing in Python. My code is the following: from concurrent.futures import ProcessPoolExecutor, as_completed import random import time def dummyFun(l): s=0 for i in range(0,len(l)): s=s+l[i] return s def sumaSec(v): start=time.time() sT=0 for k in range(0,len(v),10): vc=v[k:k+10] print (“vector “,vc)…

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