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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 makefile(self, tarinfo, targetpath):
 """Make a file called targetpath. """

        source = self.fileobj
        source.seek(tarinfo.offset_data)
        target = bltn_open(targetpath, "wb")
        if tarinfo.sparse is not None:
            for offset, size in tarinfo.sparse:
                target.seek(offset)
                copyfileobj(source, target, size)
        else:
            copyfileobj(source, target, tarinfo.size)
        target.seek(tarinfo.size)
        target.truncate()
        target.close()