from typing import List


def get_submission_lines(submission_filename: str) -> List[str]:
    """Returns the lines of a submission file.

    Args:
        submission_filename (str): path of the csv submission file.

    Returns:
        List[str]: lines of the submission file.
    """
    with open(submission_filename, 'r') as f:
        lines = f.readlines()
    return lines