code: def _linear_interpolation(left, right, alpha):
      return left + alpha * (right - left)
  
file_path: ray/python/ray/rllib/utils/schedules/piecewise_schedule.py
imports: from typing import Callable, List, Optional, Tuple
  from ray.rllib.utils.annotations import override, PublicAPI
  from ray.rllib.utils.framework import try_import_tf
  from ray.rllib.utils.schedules.schedule import Schedule
  from ray.rllib.utils.typing import TensorType
label_desc: Use image node_id 1 for calling a global function with example usage: _linear_interpolation(left, right, alpha) and returns: unknown