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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 get_version_info():
 """ Return astropy and photutils versions. Returns ------- result : str The astropy and photutils versions. """


    from astropy import __version__
    astropy_version = __version__

    from photutils import __version__
    photutils_version = __version__

    return 'astropy: {0}, photutils: {1}'.format(astropy_version,
                                                 photutils_version)