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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 GenerateClient(args):
 """Driver for client code generation."""


    codegen = _GetCodegenFromFlags(args)
    if codegen is None:
        logging.error('Failed to create codegen, exiting.')
        return 128
    _WriteGeneratedFiles(args, codegen)
    if args.init_file != 'none':
        _WriteInit(codegen)