# Substring features features['has_waaa'] = 'waaa' in identifier features['has_412'] = '412' in identifier features['is_av_edition'] = 'av' in identifier features['is_new_version'] = 'new' in identifier
# Basic features features['string_length'] = len(identifier) features['alphanumeric_count'] = sum(c.isalnum() for c in identifier) features['special_character_count'] = len(identifier) - features['alphanumeric_count'] waaa412 av new
Delivers frame-by-frame compression that is visually indistinguishable from the source. waaa412 av new