code: def squeeze(input, dim=None):
      if isinstance(dim, int) and input.ndim > 0:
          if input.shape[dim] > 1:
              return input
      return ivy.squeeze(input, axis=dim)
  
imports: import ivy
  from ivy.func_wrapper import with_unsupported_dtypes
  from ivy.functional.frontends.torch.func_wrapper import to_ivy_arrays_and_back, numpy_to_torch_style_args, to_ivy_shape
  import ivy.functional.frontends.torch
label_desc: Use image node_id 28 for calling a global function with example usage: squeeze(input, dim) and returns: ivy, input