code: def mean(input, dim=None, keepdim=False, *, dtype=None, out=None):
      if dtype is not None:
          input = input.astype(dtype)
          if out is not None:
              out = out.astype(dtype)
      return ivy.mean(input, axis=dim, keepdims=keepdim, out=out)
  
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 12 for calling a global function with example usage: mean(input, dim, keepdim) and returns: ivy