def set_value(self, arr, key, value):
        self._engine.set_value(_values_from_object(arr),
                               _values_from_object(key), value)
The template for the ``<c:val>`` element for this series, containing
dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py/Index.set_value--crossover with--dataset/ETHPy150Open scanny/python-pptx/pptx/chart/data.py/_SeriesData._val_tmpl