code: def _init_cuda_context(device_id: int = 0):
      """
      Initialize a pycuda context on a chosen device.
  
      Args:
          device_id: int, specifies which GPU to use.
  
      Returns:
          A pycuda Context.
      """
      # pyre-ignore Undefined attribute [16]
      device = cuda.Device(device_id)
      cuda_context = device.make_context()
      return cuda_context
  
imports: import contextlib
  import ctypes
  import os
  import threading
  from typing import Any, Dict
  import OpenGL.EGL
  import pycuda.driver
  from OpenGL._opaque import opaque_pointer_cls
  from OpenGL.raw.EGL._errors import EGLError
label_desc: Use image node_id 5 for calling a global function with example usage: _init_cuda_context(device_id) and returns: cuda_context