import csv


def get_header_csv(csv_file, cols_delimiter):
    """
        Get header of a csv

        :param csv_file: path to the csv file
        :param cols_delimiter: delimiter between columns
        
        :return: header of csv as a list of strings
    """

    with open(csv_file, "r") as f:
        reader = csv.reader(f, delimiter=cols_delimiter)
        header_csv = next(reader)
    
    return header_csv