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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 read(self, log_file):
 """ Read messages from .log file """

        if os.path.isdir(os.path.dirname(log_file)) and os.path.isfile(log_file):
            with open(log_file, 'r') as LogFile:
                data = LogFile.readlines()
                data = "".join(line for line in data)
        else:
            data = ''
        return data