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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 generate_entry_label(entry):
 """ Generates a label for the pourbaix plotter Args: entry (PourbaixEntry or MultiEntry):
 entry to get a label for """

    if isinstance(entry, MultiEntry):
        return " + ".join([latexify_ion(e.name) for e in entry.entry_list])
    else:
        return latexify_ion(latexify(entry.name))