code: def create_cuda_gpu():
      """Create a single CudaGPU device.
  
      Returns:
          a swig converted CudaGPU device.
      """
      assert (
          singa.USE_CUDA
      ), "SINGA has not been compiled with CUDA enabled."
      return create_cuda_gpu_on(0)
  
file_path: singa/python/singa/device.py
imports: from .None import singa_wrap
label_desc: Use image node_id 9 for calling a global function with example usage: create_cuda_gpu() and returns: create_cuda_gpu_on