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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 call(func, args):
 """Call the function with args normalized and cast to the correct types. Args: func: The function to call. args: The arguments parsed by docopt. Returns: The return value of func. """

    assert hasattr(func, '__call__'), 'Cannot call func: {}'.format(
        func.__name__)
    raw_func = (
        func if isinstance(func, FunctionType) else func.__class__.__call__)
    hints = collections.defaultdict(lambda: Any, get_type_hints(raw_func))
    argspec = _getargspec(raw_func)
    named_args = {}
    varargs = ()
    for k, nk, v in _normalize(args):
        if nk == argspec.varargs:
            hints[nk] = Tuple[hints[nk], ...]
        elif nk not in argspec.args and argspec.varkw in hints:
            hints[nk] = hints[argspec.varkw]
        try:
            value = cast(hints[nk], v)
        except TypeError as e:
            _LOGGER.exception(e)
            six.raise_from(exc.InvalidCliValueError(k, v), e)
        if nk == argspec.varargs:
            varargs = value
        elif (nk in argspec.args or argspec.varkw) and (
                nk not in named_args or named_args[nk] is None):
            named_args[nk] = value
    return func(*varargs, **named_args)