Change Microsoft A3 license users to A1 by power shell script

[yasar]

Dear Support,

We have M365 A3 Licenses assigned to faculty and A1 to students, for some reason we are planning to switch whatever Users are using A3 license change to A1. So i need script. It would be appreciated if share the script.

please share the script to change A3 license users to A1

Thanks in advance