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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def validate_dict(in_dict, **kwargs):
 """ Returns Boolean of whether given dict conforms to type specifications given in kwargs. """


    if not isinstance(in_dict, dict):
        raise ValueError('requires a dictionary')

    for key, value in kwargs.iteritems():

        if key == 'required':
            for required_key in value:
                if required_key not in in_dict:
                    return False

        elif key not in in_dict:
            continue

        elif value == bool:

            in_dict[key] = (True
                            if str(in_dict[key]).lower() == 'true'
                            else False)

        else:

            if (isinstance(in_dict[key], list) and
                len(in_dict[key]) == 1 and
                value != list):
                in_dict[key] = in_dict[key][0]

            try:
                if key in in_dict:
                    in_dict[key] = value(in_dict[key])
            except ValueError:
                return False

    return True