def op(psser: ps.Series) -> ps.Series:
    if (psser.name in to_replace_dict):
        return psser.replace(to_replace=to_replace_dict[psser.name], value=value, regex=regex)
    else:
        return psser
def op(psser: ps.Series) -> ps.Series:
    if (psser.name in to_replace_dict):
        return psser.replace(to_replace=to_replace_dict[psser.name], value=value, regex=regex)
    else:
        return psser