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# pandas.Interval.open_left

Interval.open_left

  Check if the interval is open on the left side.

  For the meaning of closed and open see `Interval`.

  Returns:
    bool

      True if the Interval is not closed on the left-side.

  See also

  `Interval.open_right`

    Check if the interval is open on the right side.

  `Interval.closed_left`

    Boolean inverse of open_left.

  Examples

      >>> iv = pd.Interval(0, 5, closed='neither')
      >>> iv.open_left
      True

      >>> iv = pd.Interval(0, 5, closed='both')
      >>> iv.open_left
      False