code: def scatter(n_categories=5,n=10,prefix='category',mode=None):
  		
  	categories=[]
  	for i in range(n_categories):
  		categories.extend([prefix+str(i+1)]*n)
  	return pd.DataFrame({'x':np.random.randn(n*n_categories),
  						 'y':np.random.randn(n*n_categories),
  						 'text':getName(n*n_categories,mode=mode),
  						 'categories':categories})
docs: Returns a DataFrame with the required format for 
  	a scatter plot
  
  	Parameters:
  	-----------
  		n_categories : int
  			Number of categories 
  		n : int
  			Number of points for each category
  		prefix : string
  			Name for each category
  		mode : string
  			Format for each item
  				'abc' for alphabet columns
  				'stocks' for random stock names