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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 release(self, path, fh):
        "Run after a read or write operation has finished. This is where we upload on writes"
        #print "release! inpath:", path in self.__newfiles.keys()
        # if the path exists in self.__newfiles.keys(), we have a new version to upload
        try:
            f = self.__newfiles[path] # make a local shortcut to Stringio object
            f.seek(0, os.SEEK_END)
            if f.tell() > 0: # file has length
                self.client.up(path, f) # upload to jottacloud
            del self.__newfiles[path]
            del f
            self._dirty(path)
        except KeyError:
            pass
        return ESUCCESS