If you work with the AWS CLI and it's cousins, you notice quickly that there are different versions and functionality depending on which version of python you use to install them. Therefore, I recommend setting up a virtual environment for each version of python, so you can always be working with the most functional packages and not have to create confusion in your root environment.
property secondsInOneDay : 86400
tell application "Mail"
set theInbox to mailbox "Inbox" of account "Exchange"
set dateToday to current date
set firstMessage to 1
set lastMessage to (get count of messages in theInbox)
repeat with thisMessage from lastMessage to firstMessage by -1
set currentMessage to message thisMessage of theInbox
set messageDate to date received of currentMessage
set timeDifference to dateToday - messageDate
if timeDifference ≥ secondsInOneDay then
set archiveMailbox to (mailbox ("Exchange inbox archive" as string))