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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 infer_dict_fromkeys(node, context=None):
 """Infer dict.fromkeys :param nodes.Call node: dict.fromkeys() call to infer :param context.InferenceContext: node context :rtype nodes.Dict: a Dictionary containing the values that astroid was able to infer. In case the inference failed for any reason, an empty dictionary will be inferred instead. """


    def _build_dict_with_elements(elements):
        new_node = nodes.Dict(
            col_offset=node.col_offset, lineno=node.lineno, parent=node.parent
        )
        new_node.postinit(elements)
        return new_node

    call = arguments.CallSite.from_call(node)
    if call.keyword_arguments:
        raise UseInferenceDefault("TypeError: int() must take no keyword arguments")
    if len(call.positional_arguments) not in {1, 2}:
        raise UseInferenceDefault(
            "TypeError: Needs between 1 and 2 positional arguments"
        )

    default = nodes.Const(None)
    values = call.positional_arguments[0]
    try:
        inferred_values = next(values.infer(context=context))
    except InferenceError:
        return _build_dict_with_elements([])
    if inferred_values is util.Uninferable:
        return _build_dict_with_elements([])

    # Limit to a couple of potential values, as this can become pretty complicated
    accepted_iterable_elements = (nodes.Const,)
    if isinstance(inferred_values, (nodes.List, nodes.Set, nodes.Tuple)):
        elements = inferred_values.elts
        for element in elements:
            if not isinstance(element, accepted_iterable_elements):
                # Fallback to an empty dict
                return _build_dict_with_elements([])

        elements_with_value = [(element, default) for element in elements]
        return _build_dict_with_elements(elements_with_value)

    elif isinstance(inferred_values, nodes.Const) and isinstance(
        inferred_values.value, (str, bytes)
    ):
        elements = [
            (nodes.Const(element), default) for element in inferred_values.value
        ]
        return _build_dict_with_elements(elements)
    elif isinstance(inferred_values, nodes.Dict):
        keys = inferred_values.itered()
        for key in keys:
            if not isinstance(key, accepted_iterable_elements):
                # Fallback to an empty dict
                return _build_dict_with_elements([])

        elements_with_value = [(element, default) for element in keys]
        return _build_dict_with_elements(elements_with_value)

    # Fallback to an empty dictionary
    return _build_dict_with_elements([])