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barchart_demo.py

#!/usr/bin/env python
# a bar plot with errorbars
from pylab import *

N = 5
menMeans = (20, 35, 30, 35, 27)
menStd =   (2, 3, 4, 1, 2)

ind = arange(N)  # the x locations for the groups
width = 0.35       # the width of the bars
p1 = bar(ind, menMeans, width, color='r', yerr=menStd)

womenMeans = (25, 32, 34, 20, 25)
womenStd =   (3, 5, 2, 3, 3)
p2 = bar(ind+width, womenMeans, width, color='y', yerr=womenStd)

ylabel('Scores')
title('Scores by group and gender')
xticks(ind+width, ('G1', 'G2', 'G3', 'G4', 'G5') )

legend( (p1[0], p2[0]), ('Men', 'Women') )

#savefig('barchart_demo')
show()

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