# k2jamo
# substitute(text)
import re

REGEX = '[가-힣]'
pattern = re.compile(REGEX)


def convert_main(match):
    '正規表現でマッチした完成形ハングル<match>を字母に分解する'
    value = ord(match.group(0))
    my_int = value - 44032
    my_int_index = int(my_int / 588)
    my_final_index = my_int % 28
    my_medial_index = \
        int((my_int - (my_int_index * 588) - my_final_index) / 28)
    result = initial[my_int_index] + \
        medial[my_medial_index] + \
        final[my_final_index]
    return result


def substitute(text):
    '正規表現で完成形ハングルにマッチした入力<text>を置換する'
    result = re.sub(pattern, convert_main, text)
    return result


if __name__ == '__main__':
    for letters in ['가', '안녕', '한국어 문장입니다.', '영문자 a/b를 포함']:
        output = substitute(letters)
        print(letters, '=>', output)