def updatePairsForLab(g,org,lab,scratchDirName,startPointDir,prefix=""):

    addPyGithubToPath()

    allTeams = org.get_teams()

    # If user didn't pass in prefix, then make teams for ALL pairs,
    # that is, every team that starts with Pair_  otherwise,
    # make for every team that starts with prefix

    startsWith =  ("Pair_" if (prefix=="") else prefix)
    
    for team in allTeams:
        
        if team.name.startswith(startsWith):
            print("\nTeam: " + team.name,end='')
            result = createLabRepoForThisPairTeam(g,org,lab,team)
            

            pushFilesToPairRepo(g,org,lab,team,scratchDirName,startPointDir)
go through all Pair_First1_First2 teams and create a repo for each one for this
dataset/ETHPy150Open UCSB-CS-Using-GitHub-In-Courses/github-acad-scripts/github_acadwf.py/updatePairsForLab