def stacked_plots(traces, name):
	fig = tools.make_subplots(rows = len(traces), cols =1)
	for i, trace in enumerate(traces):
		j = i + 1
		if j%2==0:
			j = int(j/2)
		else:
			j = int((j+1)/2)
		fig.append_trace(trace, j, 1)

	fig['layout'].update(xaxis=dict(
        autorange=True,
        showgrid=False,
        zeroline=False,
        showline=False,
        ticks='',
        showticklabels=False
    ),
	    xaxis2=dict(
	        autorange=True,
	        showgrid=False,
	        zeroline=False,
	        showline=False,
	        ticks='',
	        showticklabels=False
	    ),
		xaxis3=dict(
			title = 'Iterations',
			#gridcolor='rgb(255,255,255)',
			showgrid=True,
			showline=False,
			showticklabels=True,
			tickcolor='rgb(127,127,127)',
			ticks='outside',
			zeroline=False
		),
		yaxis=dict(

			#gridcolor='rgb(255,255,255)',
			showgrid=True,
			showline=False,
			showticklabels=True,
			tickcolor='rgb(127,127,127)',
			ticks='outside',
			zeroline=False
		),
        title=name)

	return dcc.Graph(
			figure=fig,
			style={'height': 800},
			id=name,
			config={
        		'displayModeBar': False}
			)


def gray_trace_with_CI(name, ll, max_ll, min_ll):
	x = list(np.arange(len(ll)))
	x_rev = x[::-1]

	trace1 = go.Scatter(
				x=x,
				y=ll,
				showlegend=False,
				line = dict(
					color = ('#808080'),
					width = 2))

	trace2 = go.Scatter(
			    x=x+x_rev,
			    y=max_ll+min_ll,
			    fill='tozerox',
				fillcolor='rgba(127,127,127,0.2)',
				line=dict(color='rgba(255,255,255,0)'),
				showlegend=False
				)
	return [trace1, trace2]

#usage:
#stacked_plots(gray_trace_with_CI(name, ll, max_ll, min_ll), 'one plot')