code: def cov(input, /, *, correction=1, fweights=None, aweights=None):
      return ivy.cov(
          input, ddof=correction, fweights=fweights, aweights=aweights
      )
  
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
  from ivy.functional.frontends.torch import promote_types_of_torch_inputs
  import ivy.functional.frontends.torch
label_desc: Use image node_id 11 for calling a global function with example usage: cov() and returns: ivy