iterator for streamed data coming from fictional sensor - Extended iter() format lesson

sensor.py

import datetime
import itertools
import random

class Sensor:
  def __iter__(self):
    return self
  
  def __next__(self):
    return random.random()
  
sensor = Sensor()
timestamps = iter(datetime.datetime.now, None)

for stam, value in itertools.islice(zip(timestamps, sensor), 10):
  print(stamp, value)
  time.sleep(1)