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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 add_for_targets(self, targets, products):
 """Updates the products for the given targets, adding to existing entries. :API: public """

    # TODO: This is a temporary helper for use until the classpath has been split.
    for target in targets:
      self.add_for_target(target, products)