code: def __init__(self, interval_secs):
      """Constructs a RateLimiter that permits a tick() every
      `interval_secs`."""
      self._time = time  # Use property for ease of testing.
      self._interval_secs = interval_secs
      self._last_called_secs = 0
  
imports: import time
label_desc: Use image node_id 1 to create a new RateLimiter object  with example: obj = RateLimiter(interval_secs)