code: def pitching_stats_bref(season=None):
      
      if season is None:
          season = datetime.datetime.today().strftime("%Y")
      season = str(season)
      start_dt = season + '-03-01' #opening day is always late march or early april
      end_dt = season + '-11-01' #season is definitely over by November 
      return(pitching_stats_range(start_dt, end_dt))
docs: Get all pitching stats for a set season. If no argument is supplied, gives stats for 
      current season to date.