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pandas.core.groupby.SeriesGroupBy.is_monotonic_decreasing

propertySeriesGroupBy.is_monotonic_decreasing[source]

Return boolean if values in the object are monotonically decreasing.

Returns
bool

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https://pandas.pydata.org/pandas-docs/version/1.5.0/reference/api/pandas.core.groupby.SeriesGroupBy.is_monotonic_decreasing.html