code: def var_mean(input, dim, unbiased, keepdim=False, *, out=None):
      temp_var = ivy.var(
          input,
          axis=dim,
          correction=int(unbiased),
          keepdims=keepdim,
          out=out,
      )
      temp_mean = ivy.mean(input, axis=dim, keepdims=keepdim, out=out)
      return (temp_var, temp_mean)
  
imports: import ivy
  from ivy.func_wrapper import with_unsupported_dtypes, with_supported_dtypes
  from ivy.functional.frontends.torch.func_wrapper import to_ivy_arrays_and_back, numpy_to_torch_style_args
  from collections import namedtuple
  import ivy.functional.frontends.torch
label_desc: Use image node_id 28 for calling a global function with example usage: var_mean(input, dim, unbiased, keepdim) and returns: temp_var,  temp_mean