docs: def pie(n_labels=5,mode=None):
  	"""
  	Returns a DataFrame with the required format for 
  	a pie plot
  
  	Parameters:
  	-----------
  		n_labels : int
  			Number of labels 
  		mode : string
  			Format for each item
  				'abc' for alphabet columns
  				'stocks' for random stock names
  	"""	
  	return pd.DataFrame({'values':np.random.randint(1,100,n_labels),
  						 'labels':getName(n_labels,mode=mode)})