#load packages 
library(tidyverse)
library(lubridate)
library(glue) 
#note: if you cannot load current version of glue 1.6.0 (as of Jan 2022), 
#you can load an older version of glue, for example https://cran.r-project.org/src/contrib/Archive/glue/glue_1.4.0.tar.gz 
library(readxl)
library(AzureAuth)
library(AzureStor)
#library(bit64)
#if you cannot save to csv due to lack a package 'bit64', please try to install it.