from collections import namedtuple
from datetime import datetime
class Frequencia(namedtuple("Frequencia",["dt","tipo","chamadas"])):
	def _parser(year,day_month,hour_minute,tipo,chamadas):
		day,month=day_month.split("/")
		hour,minute=hour_minute.split(":")
		dt=datetime(
			year=int(year),
			day=int(day),
			month=int(month),
			hour=int(hour),
			minute=int(minute)
		)
		chamadas=[True if c=="P" else (False if c=="F" else None) for c in chamadas]
		return Frequencia(dt,tipo,chamadas)