def working_capital(current_assets, current_liabilities):
    """Computes working capital.

    @params
    -------
    current_assets: current assets
    current_liabilities: current liabilities

    returns
    -------
    Working capital, int or float

    explanation
    -----------
    Working capital is important for determining the financial strength of an enterprice.
    In the working capital is found the measure of the company's ability to carry on its normal business
    comfortably and without financial stringency, to expand its operations without the need of new financing,
    and to meet emergencies and losses without disaster.
    """
    working_cap = current_assets - current_liabilities
    return working_cap
