g1_m_avg_rev.py

# create a new dataframe for average revenue by taking the mean of it
tx_monthly_order_avg = tx_uk.groupby('InvoiceYearMonth')['Revenue'].mean().reset_index()

#print the dataframe
tx_monthly_order_avg

#plot the bar chart
plot_data = [
    go.Bar(
        x=tx_monthly_order_avg['InvoiceYearMonth'],
        y=tx_monthly_order_avg['Revenue'],
    )
]

plot_layout = go.Layout(
        xaxis={"type": "category"},
        title='Monthly Order Average'
    )
fig = go.Figure(data=plot_data, layout=plot_layout)
pyoff.iplot(fig)