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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 _setup_helper():
 """Print the shell integration code."""

    base = os.path.abspath(os.path.dirname(__file__))
    helper = os.path.join(base, "helper.sh")
    with open(helper) as fh:
        click.echo(fh.read())