code: def is_structured_array(obj):
      
      if isinstance(obj, np.ndarray) and hasattr(obj, 'dtype'):
          if obj.dtype.names is not None:
              return True
      return False
docs: Returns True if the given object is a Numpy Structured Array.
  
      Parameters
      ----------
      obj: instance
          The object to test whether or not is a Numpy Structured Array.