Plot multiple histograms on single chart

plot_multi_hist.py

"""
Code to plot multiple histograms on a single chart.
Inspired by:

http://stackoverflow.com/questions/6871201/plot-two-histograms-at-the-same-time-with-matplotlib
"""

from __future__ import division
import random

import numpy as np
import matplotlib.pyplot as plt


x = [random.gauss(3,1) for _ in range(400)]
y = [random.gauss(4,2) for _ in range(400)]

bins = np.linspace(-10, 10, 100)

plt.hist(x, bins, alpha=0.5, label='x')
plt.hist(y, bins, alpha=0.5, label='y')
plt.legend(loc='upper right')
plt.show()