Plotting horizontal lines to identify seasonality

ts_seasons_plot.py

ax = df1['total'].plot(figsize=(16,5),title=title)
ax.autoscale(axis='x',tight=True)
ax.set(xlabel=xlabel, ylabel=ylabel)
for x in df1.query('holiday==1').index:
    ax.axvline(x=x, color='k', alpha = 0.3);