def updateScoresByPIDGUI(login,courseID, assignmentID, CSVFile, password, overwrite):
    gradesource = GradesourceSession(login, password, courseID)
    gradesource.updatePIDScore(assignmentID, CSVFile, overwrite)
def updateScoresByPID(login,courseID, assignmentID, CSVFile, overwrite):
    gradesource = GradesourceSession(login, getpass('Password: '), courseID)
    gradesource.updatePIDScore(assignmentID, CSVFile, overwrite)