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"""This module contains code from

Think Python by Allen B. Downey

http://thinkpython.com

Copyright 2012 Allen B. Downey

License: GNU GPLv3 http://www.gnu.org/licenses/gpl.html

"""

from lumpy_demo import *

def histogram(s):

d = dict()

for c in s:

if c not in d:

d[c] = 1

else:

d[c] += 1

return d

def invert_dict(d):

inv = dict()

for key in d:

val = d[key]

if val not in inv:

inv[val] = [key]

else:

inv[val].append(key)

return inv

from swampy.Lumpy import Lumpy

lumpy = Lumpy()

lumpy.make_reference()

hist = histogram('parrot')

inverse = invert_dict(hist)

lumpy.object_diagram()

print_diagram(lumpy, 'lumpydemo4.eps')