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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 get_absorbing_atom_symbol_index(absorbing_atom, structure):
 """ Return the absorbing atom symboll and site index in the given structure. Args: absorbing_atom (str/int):
 symbol or site index structure (Structure) Returns: str, int: symbol and site index """

    if isinstance(absorbing_atom, str):
        return absorbing_atom, structure.indices_from_symbol(absorbing_atom)[0]
    elif isinstance(absorbing_atom, int):
        return str(structure[absorbing_atom].specie), absorbing_atom
    else:
        raise ValueError("absorbing_atom must be either specie symbol or site index")