bar chart with Matplotlib

Question

Here is my data structure:

data = {'2013': {1:25,2:81,3:15}, '2014': {1:28, 2:65, 3:75}, '2015': {1:78,2:91,3:86 }}

My x-axis is the number [1,2,3]

My y-axis is the quantity of each number. For example: In 2013, 1 is x axis while its quantity is 25.

Print each individual graph for each year

I would like to graph a bar chart, which uses matplotlib with legend on it.

Solution

import matplotlib.pyplot as plt
import pandas as pd

data = {'2013': {1:25,2:81,3:15}, '2014': {1:28, 2:65, 3:75}, '2015': {1:78,2:91,3:86 }}

df = pd.DataFrame(data)

df.plot(kind='bar')

plt.show()

I like pandas because it takes your data without having to do any manipulation to it and plot it.