To save code, it is important to login to Makecode. If you do not have your own gmail account, here are some generic accounts for Acera:
amcamp1@aceraschool.org PW: summercamp
amcamp2@aceraschool.org PW: summercamp
amcamp3@aceraschool.org PW: summercamp
amcamp4@aceraschool.org PW: summercamp
amcamp5@aceraschool.org PW: summercamp