def _formatparamchildren(parameter) ->str:
    """
    Get parameter name and value from Jedi Private API

    Jedi does not expose a simple way to get `param=value` from its API.

    Parameter
    =========

    parameter:
        Jedi's function `Param`

    Returns
    =======

    A string like 'a', 'b=1', '*args', '**kwargs'


    """
    description = parameter.description
    if not description.startswith('param '):
        raise ValueError(
            'Jedi function parameter description have change format.Expected "param ...", found %r".'
             % description)
    return description[6:]
