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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 is_parent_of(page1, page2):
 """ Determines whether a given page is the parent of another page Example:: """


    try:
        return page1.tree_id == page2.tree_id and page1.lft < page2.lft and page1.rght > page2.rght
    except AttributeError:
        return False