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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get(self, key, default=None):
 """ Get an element of the collection. :param key: The index of the element :type key: mixed :param default: The default value to return :type default: mixed :rtype: mixed """

        try:
            return self.items[key]
        except IndexError:
            return value(default)