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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 run(self):
 """ Perform the actual QChem run. Returns: (subprocess.Popen) Used for monitoring. """

        qclog = open(self.qclog_file, 'w')
        p = subprocess.Popen(self.current_command, stdout=qclog)
        return p