code: def positive(x):
      return +x
  
imports: import torch
  from torch import absolute, arccos, arccosh, arcsin, arcsinh, arctan, arctanh, bitwise_not, bitwise_not, ceil, conj_physical, cos, cosh, deg2rad, deg2rad, exp, exp2, expm1, floor, isfinite, isinf, isnan, log, log10, log1p, log2, logical_not, negative, rad2deg, rad2deg, reciprocal, round, round, sign, signbit, sin, sinh, sqrt, square, tan, tanh, trunc
label_desc: Use image node_id 2 for calling a global function with example usage: positive(x) and returns: unknown