code: def fft(a, n=None, axis=-1, norm=None):
      return ivy.fft(
          ivy.astype(a, ivy.complex128), axis, norm=norm, n=n
      )
  
file_path: ivy/ivy/functional/frontends/numpy/fft/discrete_fourier_transform.py
imports: import ivy
  from ivy.functional.frontends.numpy.func_wrapper import to_ivy_arrays_and_back
  from ivy.func_wrapper import with_unsupported_dtypes
label_desc: Use image node_id 2 for calling a global function with example usage: fft(a, n, axis, norm) and returns: ivy