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GeezerVison is showing github.com — ThinkPython2/code/BadKangaroo.py at master · AllenDowney/ThinkPython2 Expand file tree/ Copy pathBadKangaroo.pyMore file actions 62 lines (44 loc) · 1.42 KB / Copy pathBadKangaroo.pyFile metadata and controls62 lines (44 loc) · 1.42 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 """This module contains a code example related to Think Python, 2nd Edition by Allen Downey https://greenteapress.com/wp/think-python-2e/ Copyright 2015 Allen Downey License: http://creativecommons.org/licenses/by/4.0/ """ from __future__ import print_function, division """ WARNING: this program contains a NASTY bug. I put it there on purpose as a debugging exercise, but you DO NOT want to emulate this example! """ class Kangaroo: """A Kangaroo is a marsupial.""" def __init__(self, name, contents=[]): """Initialize the pouch contents. name: string contents: initial pouch contents. """ self.name = name self.pouch_contents = contents def __str__(self): """Return a string representaion of this Kangaroo. """ t = [ self.name + ' has pouch contents:' ] for obj in self.pouch_contents: s = ' ' + object.__str__(obj) t.append(s) return '\n'.join(t) def put_in_pouch(self, item): """Adds a new item to the pouch contents. item: object to be added """ self.pouch_contents.append(item) kanga = Kangaroo('Kanga') roo = Kangaroo('Roo') kanga.put_in_pouch('wallet') kanga.put_in_pouch('car keys') kanga.put_in_pouch(roo) print(kanga) # If you run this program as is, it seems to work. # To see the problem, trying printing roo. # Hint: to find the problem try running pylint. |
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