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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def minute_frame_to_session_frame(minute_frame, calendar):
 """ Resample a DataFrame with minute data into the frame expected by a BcolzDailyBarWriter. Parameters minute_frame : pd.DataFrame A DataFrame with the columns `open`, `high`, `low`, `close`, `volume`, and `dt` (minute dts) calendar : trading_calendars.trading_calendar.TradingCalendar A TradingCalendar on which session labels to resample from minute to session. Return ------ session_frame : pd.DataFrame A DataFrame with the columns `open`, `high`, `low`, `close`, `volume`, and `day` (datetime-like). """

    how = OrderedDict((c, _MINUTE_TO_SESSION_OHCLV_HOW[c])
                      for c in minute_frame.columns)
    labels = calendar.minute_index_to_session_labels(minute_frame.index)
    return minute_frame.groupby(labels).agg(how)