pandas / 1.4.0 / reference / api / pandas.interval.closed_left.html /

pandas.Interval.closed_left

Interval. closed_left

Check if the interval is closed on the left side.

For the meaning of closed and open see Interval.

Returns
bool

True if the Interval is closed on the left-side.

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https://pandas.pydata.org/pandas-docs/version/1.4.0/reference/api/pandas.Interval.closed_left.html