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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 long_description():
 """ Build the long description from a README file located in the same directory as this module. """

    base_path = os.path.dirname(os.path.realpath(__file__))
    with io.open(os.path.join(base_path, 'README.md'), encoding='utf-8') as f:
        return f.read()