def get_cheat_sheet(cheat_sheet):
    """converts a cheat sheet from .json to string to display

    Parameters
    ----------
    :param dictionary cheat_sheet: dictionary that stores the content of given cheat sheet.
    :return: a str representation of a cheat sheet.
    """
    sheet = []
    separator = '\n'

    for data_type in cheat_sheet:
        sheet.append(f'__**{data_type}**__')
        for method in cheat_sheet[data_type]:
            method_description = cheat_sheet[data_type][method]
            sheet.append(f'**{method}** - {method_description}')
        sheet.append('')

    return separator.join(sheet)