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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 dump(stuff, filename, verbose=True, protocol=3):
 """Store an object to file by pickling Parameters stuff : object to be pickled filename : path verbose : bool protocol : 1,2,3 (default = 3) Protocol used by Pickler, higher number means more recent version of Python is needed to read the pickle produced. Default is protocol=3, which only works with Python 3+ Return ------ path Path where pickled object was saved. """

    filename = os.path.normcase(filename)
    dir_path = os.path.dirname(filename)
    if not os.path.exists(dir_path): os.makedirs(dir_path)
    with open(filename, 'wb') as f:
        p = pickle.Pickler(f, protocol=protocol)
        p.dump(stuff)
    if verbose:
        print('Written {} items to pickled binary file: {}'.format(len(stuff), filename))
    return filename