code: def diff(x, /, *, n=1, axis=-1, prepend=None, append=None):
      return ivy.diff(x, n=n, axis=axis, prepend=prepend, append=append)
  
file_path: ivy/ivy/functional/frontends/numpy/mathematical_functions/sums_products_differences.py
imports: import ivy
  from ivy.functional.frontends.numpy.func_wrapper import to_ivy_arrays_and_back, handle_numpy_dtype, from_zero_dim_arrays_to_scalar, handle_numpy_out
  import ivy.functional.frontends.numpy
label_desc: Use image node_id 3 for calling a global function with example usage: diff() and returns: ivy