# NOTE: This code goes in between 'START' and 'END' below
traces = []
for data in datas:
    traces.append(go.Box(
                            x=data.index,
                            y=data.values,
                            showlegend=False
                        ))

import plotly.offline as py
import plotly.graph_objs as go
from plotly.offline import init_notebook_mode, iplot, plot
from plotly import tools
init_notebook_mode(connected=True)

### Create individual figures
# START
traces = []
for data in datas:
    fig = tools.make_subplots(rows=1, cols=2)

    trace1 = go.Box(
                    x=data.head(10).index,
                    y=data.head(10).values,
                    showlegend=False
                )
    trace2 = go.Box(
                    x=data.tail(10).index,
                    y=data.tail(10).values,
                    showlegend=False
                )
    fig.append_trace(trace1, 1, 1)
    fig.append_trace(trace2, 1, 2)
    traces.append(fig)
# END

### Create buttons for drop down menu
buttons = []
for i, label in enumerate(labels):
    visibility = [i==j for j in range(len(labels))]
    button = dict(
                 label =  label,
                 method = 'update',
                 args = [{'visible': visibility},
                     {'title': label}])
    buttons.append(button)

updatemenus = list([
    dict(active=-1,
         x=-0.15,
         buttons=buttons
    )
])

layout = dict(title='Title',
              showlegend=False,
              updatemenus=updatemenus)

fig = dict(data=traces, layout=layout)

iplot(fig, filename='dropdown')