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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 histogram(data):
 """Returns a histogram of your data. :param data: The data to histogram :type data: list[object] :return: The histogram :rtype: dict[object, int] """

    ret = {}
    for datum in data:
        if datum in ret:
            ret[datum] += 1
        else:
            ret[datum] = 1
    return ret