code: def readable_timestamp(stamp):
      
      if date.fromtimestamp(stamp) == date.today():
          return str(datetime.fromtimestamp(stamp).strftime("%I:%M:%S%p"))
      else:
          return str(date.fromtimestamp(stamp))
docs: :param stamp: A floating point number representing the POSIX file timestamp.
      :return: A short human-readable string representation of the timestamp.