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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_class(classname):
 """ Returns the class object associated with the dot-notation classname. Taken from here: http://stackoverflow.com/a/452981 :param classname: the classname :type classname: str :return: the class object :rtype: object """

    parts = classname.split('.')
    module = ".".join(parts[:-1])
    m = __import__(module)
    for comp in parts[1:]:
        m = getattr(m, comp)
    return m