code: def get_shape(W_b_input):
      W, b, input_ = W_b_input
      return input_.shape[0], W.shape[0], W.shape[1]
  
file_path: thinc/thinc/tests/util.py
imports: import contextlib
  import shutil
  import tempfile
  from pathlib import Path
  import numpy
  import pytest
  from thinc.api import ArgsKwargs, Linear, Padded, Ragged
  from thinc.util import has_cupy, is_cupy_array, is_numpy_array
label_desc: Use image node_id 3 for calling a global function with example usage: get_shape(W_b_input) and returns: input_,  W,  W