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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 _construct_bower_command(bower_command):
    '''
    Create bower command line string
    '''
    if not bower_command:
        raise CommandExecutionError(
            'bower_command, e.g. install, must be specified')

    cmd = ['bower'] + shlex.split(bower_command)
    cmd.extend(['--config.analytics', 'false',
                '--config.interactive', 'false',
                '--allow-root', '--json'])
    return cmd