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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 classpath(cls, targets, classpath_products, confs=('default',)):
 """Return the classpath as a list of paths covering all the passed targets. :param targets: Targets to build an aggregated classpath for. :param ClasspathProducts classpath_products: Product containing classpath elements. :param confs: The list of confs for use by this classpath. :returns: The classpath as a list of path elements. :rtype: list of string """

    classpath_iter = cls._classpath_iter(classpath_products.get_for_targets(targets), confs=confs)
    return list(classpath_iter)