def _build_kwargs(keys, input_dict):
    """
    Parameters
    ----------
    keys : iterable
        Typically a list of strings.
    adict : dict-like
        A dictionary from which to attempt to pull each key.

    Returns
    -------
    kwargs : dict
        A dictionary with only the keys that were in input_dict
    """

    kwargs = {}
    for key in keys:
        try:
            kwargs[key] = input_dict[key]
        except KeyError:
            pass

    return kwargs