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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_file(fname, datapath=datapath):
 """Return path of an example data file Return the full path to an example data file name. If the file does not exist in the `datapath` directory, tries to download it from the ODTbrain GitHub repository. """

    # download location
    datapath = pathlib.Path(datapath)
    datapath.mkdir(parents=True, exist_ok=True)

    dlfile = datapath / fname
    if not dlfile.exists():
        print("Attempting to download file {} from {} to {}.".
              format(fname, webloc, datapath))
        try:
            dl_file(url=webloc+fname, dest=dlfile)
        except BaseException:
            warnings.warn("Download failed: {}".format(fname))
            raise
    return dlfile