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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_yaml_configuration(filename):
    '''Parse configuration in YAML format into a Python dict

    :param filename: filename of a file with configuration in YAML format
    :return: unprocessed configuration object
    :rtype: dict
    '''
    with open(filename, 'r') as f:
        config = yaml.load(f.read())
    return config