code: def array_to_json(array_like):  # type: (np.array or Iterable or int or float) -> str
      
  
      def default(_array_like):
          if hasattr(_array_like, 'tolist'):
              return _array_like.tolist()
          return json.JSONEncoder().default(_array_like)
  
      return json.dumps(array_like, default=default)
docs: Convert an array like object to JSON.
  
      To understand better what an array like object is see:
      https://docs.scipy.org/doc/numpy/user/basics.creation.html#converting-python-array-like-objects-to-numpy-arrays
  
      Args:
          array_like (np.array or Iterable or int or float): array like object to be converted to JSON.
  
      Returns:
          (str): object serialized to JSON