Read the contents of a file

    :param file_path:                   Path of the file to be read

    :return:                            Contents of the file

def read_file(file_path, mode = 'rt'):
    """
    Read the contents of a file

    :param file_path:                   Path of the file to be read

    :return:                            Contents of the file
    """
    contents = ''
    with open(file_path, mode) as f:
        contents = f.read()
    return contents