import numpy as np
from IPython.display import display
from bqplot import (
OrdinalScale, LinearScale, Bars, Lines, Axis, Figure
)
size = 20
np.random.seed(0)
x_data = np.arange(size)
x_ord = OrdinalScale()
y_sc = LinearScale()
bar = Bars(x=x_data, y=np.random.randn(2, size), scales={'x': x_ord, 'y':
y_sc}, type='stacked')
line = Lines(x=x_data, y=np.random.randn(size), scales={'x': x_ord, 'y': y_sc},
stroke_width=3, colors=['red'], display_legend=True, labels=['Line chart'])
ax_x = Axis(scale=x_ord, grid_lines='solid', label='X')
ax_y = Axis(scale=y_sc, orientation='vertical', tick_format='0.2f',
grid_lines='solid', label='Y')
Figure(marks=[bar, line], axes=[ax_x, ax_y], title='API Example',
legend_location='bottom-right')