Exercises

Write a definition for a class named Kangaroo with the following methods:

  • An __init__ method that initializes an attribute named pouch_contents to an empty list
  • A method named put_in_pouch that takes an object of any type and adds it to pouch_contents.
class Kangaroo:
    """ attributes: pouch_contents"""

    def __init__(self):
        self.pouch_contents = list()

    def __str__(self):
        temp = ''
        for s in self.pouch_contents:
            temp+=str(s)+ '
'
        return temp

    def put_in_pouch(self,obj):
        self.pouch_contents.append(obj)
        

    
k = Kangaroo()
k.put_in_pouch(1)
k.put_in_pouch(1.0)
k.put_in_pouch('hello sun')
k.put_in_pouch((1,2,3))


k1 = Kangaroo()
k1.put_in_pouch([1,2,3])
k1.put_in_pouch({'1':'sun','2':'yu'})
k1.put_in_pouch('this is k1')

from Thinking in Python

原文地址:https://www.cnblogs.com/ryansunyu/p/4004896.html