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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 pipeline(line, cell=None):
 """Implements the pipeline cell magic for ipython notebooks. The supported syntax is: %%pipeline <command> [<args>] <cell> or: %pipeline <command> [<args>] Use %pipeline --help for a list of commands, or %pipeline <command> --help for help on a specific command. """

  return google.datalab.utils.commands.handle_magic_line(line, cell, _pipeline_parser)