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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 do_logStream(self,args):
 """Go to the specified log stream. logStream -h for detailed help"""

        parser = CommandArgumentParser("logStream")
        parser.add_argument(dest='logStream',help='logStream index.');
        args = vars(parser.parse_args(args))

        print "loading log stream {}".format(args['logStream'])
        index = int(args['logStream'])
        logStream = self.logStreams[index]

        print "logStream:{}".format(logStream)
        self.childLoop(AwsLogStream.AwsLogStream(logStream,self))