code: def set_holidays(gyear, observe):
      r"""Determine if this is a Gregorian leap year.
  
      Parameters
      ----------
      gyear : int
          Value for the corresponding key.
      observe : bool
          True to get the observed date, otherwise False.
  
      Returns
      -------
      holidays : dict of int
          Set of holidays in RDate format for a given year.
      """
  
      holidays = {}
      for h in holiday_map:
          hfunc = holiday_map[h][0]
          observed = holiday_map[h][1]
          if observed:
              holidays[h] = hfunc(gyear, observe)
          else:
              holidays[h] = hfunc(gyear)
      return holidays
  
imports: import calendar
  import logging
  import math
  import pandas
label_desc: Use image node_id 46 for calling a global function with example usage: set_holidays(gyear, observe) and returns: holidays