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#!/usr/bin/python3
# Challenge 032
#
# Task #2
# Contributed by Neil Bowers
# ASCII bar chart
# Write a function that takes a hashref where the keys are labels and the
# values are integer or floating point values. Generate a bar graph of the
# data and display it to stdout.
#
# The input could be something like:
#
# $data = { apple => 3, cherry => 2, banana => 1 };
# generate_bar_graph($data);
# And would then generate something like this:
#
# apple | ############
# cherry | ########
# banana | ####
# If you fancy then please try this as well: (a) the function could let you
# specify whether the chart should be ordered by (1) the labels, or (2) the
# values.
data = { 'apple':3, 'cherry':2, 'banana':1 }
def chart(data):
# get size of keys
width = max([len(x) for x in data])
# output data
for key in sorted(data):
print(("{:"+str(width)+"s} | {}").format(key, "##"*data[key]))
chart(data)
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