Side by side bar chart

matplotlib_bar-chart-side-by-side.py

import numpy as np
import matplotlib as mpl
import matplotlib.pyplot as plt
from matplotlib import ticker

coins = ['penny', 'nickle', 'dime', 'quarter']
worth = np.array([.01, .05, .10, .25])

values = [worth*i for i in range(1,6)]

n = len(values)
w = .15
x = np.arange(0, len(coins))
T = n*w

for i, value in enumerate(values):
    position = x + (w*(1-n)/2) + i*w
    plt.bar(position, value, zorder=2, width=w, label=f'{i+1}x')

plt.xticks(x, coins);

plt.ylabel('Monetary Value')
plt.gca().yaxis.set_major_formatter(ticker.FormatStrFormatter('$%.2f'))


plt.legend()