code: def _(x):
      return x.data
  
imports: import functools
  import pytest
  import funsor.ops
  from funsor.compiler import compile_funsor
  from funsor.domains import Real, Reals
  from funsor.interpretations import reflect
  from funsor.optimizer import apply_optimizer
  from funsor.sum_product import sum_product
  from funsor.tensor import Tensor
  from funsor.terms import Number, Tuple, Variable
  from funsor.testing import assert_close, randn
label_desc: Use image node_id 2 for calling a global function with example usage: _(x) and returns: x