csv_reader

def csv_reader(filename):
    ''' gives back a list of every element in the csv file  '''

    a = []
    try:
        with open(filename, "r") as csvfile:
            for row in csvfile:
                tmp = row.split(";")
                a.append(tmp[0])
    except FileNotFoundError:
        print("Could not find file, please retry.")
        main()
    return a