import csv


def column_to_split_exists(input_file_path, column_to_split):
    """Given a path to the input file and a column name to
    split into first_name, last_name, this method checks that the
    column_to_split exists. Returns True is present and False if
    not present.
    """
    column_exists = False
    with open(input_file_path, newline="") as csv_input:
        reader = csv.DictReader(csv_input)
        columns = reader.fieldnames
        if column_to_split in columns:
            column_exists = True
    return column_exists