input: Write a python function to set a reminder in minutes.
  assert set_reminder_in_minutes(30) is None
  assert set_reminder_in_minutes(15) is None
  assert set_reminder_in_minutes(45) is None
output: def set_reminder_in_minutes(minutes):
      import time
      time.sleep(minutes * 60)
      print(f"Reminder: {minutes} minutes have passed.")