def put(self, item):
"""If the knapsack is untied, use the Backpack put() method."""
if self.closed:
print "Knapsack is closed!"
else:
Backpack.put(self, item)
# name this file 'solutions.py'
"""Volume II Lab 2: Object Oriented Programming
Drew Pearson
Class 321
9/10/15
"""
import math
from Backpack import Backpack
my_backpack = Backpack()
your_backpack = Backpack()
my_backpack.put('tape')
my_backpack.put('scissors')
your_backpack.put('tape')
my_backpack = your_backpack
# Problem 1: Modify the 'Backpack' class in 'Backpack.py'.
# Study the 'Knapsack' class in 'Backpack.py'. You should be able to create a
# Knapsack object after finishing problem 1.
# Problem 2: Write a 'Jetpack' class that inherits from the 'Backpack' class.
class Jetpack(Backpack):
"""A Jetpack object class. Inherits from the Backpack class.
However, it's initial color is silver and its initial max size is 2.
A jetpack class also has an additional attribute - feul (int) which if not given
is preset to 10.
"""
def __init__(self, color='silver', name='jetpack', max_size=2, fuel=10):
