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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 filepull(maildir, localmaildir, noop=False, verbose=False, filterfile=None):
 """Pull one local maildir into another. The source need not be an md folder (it need not have a store). In this case filepull is kind of an import. """

    store = _Store(maildir)
    _pull(store, localmaildir, noop, verbose, filterfile)