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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 getUptime(self):
 """Return system uptime in seconds. @return: Float that represents uptime in seconds. """

        try:
            fp = open(uptimeFile, 'r')
            line = fp.readline()
            fp.close()
        except:
            raise IOError('Failed reading stats from file: %s' % uptimeFile)
        return float(line.split()[0])