num_cji_to_hangul.py

import re

vowels5 = {'.ㅡㅣ.ㅣ': 'ㅙ', 'ㅡ..ㅣㅣ': 'ㅞ'}
vowels4 = {'ㅣ..ㅣ': 'ㅒ',  '..ㅣㅣ': 'ㅖ', '.ㅡㅣ.': 'ㅘ',  'ㅡ..ㅣ': 'ㅝ'}
vowels3 = {'.ㅣㅣ': 'ㅔ', 'ㅣ.ㅣ': 'ㅐ', 'ㅣ..': 'ㅑ', '..ㅣ': 'ㅕ', '.ㅡㅣ': 'ㅚ', '..ㅡ': 'ㅛ', 'ㅡ.ㅣ': 'ㅟ', 'ㅡ..': 'ㅠ'}
vowels2 = {'ㅣ.': 'ㅏ', '.ㅣ': 'ㅓ', '.ㅡ': 'ㅗ', 'ㅡ.': 'ㅜ', 'ㅡㅣ': 'ㅢ'}

a = input()
a = a.replace("00","ㅁ")
a = a.replace("444", "ㄲ")
a = a.replace("55", "ㄹ")
a = a.replace("666", "ㄸ")
a = a.replace("777", "ㅃ")
a = a.replace("888", "ㅆ")
a = a.replace("999", "ㅉ")

a = a.replace("0", "ㅇ")
a = a.replace("44", "ㅋ")
a = a.replace("5", "ㄴ")
a = a.replace("66", "ㅌ")
a = a.replace("77", "ㅍ")
a = a.replace("88", "ㅎ")
a = a.replace("99", "ㅊ")

a = a.replace("4", "ㄱ")
a = a.replace("6", "ㄷ")
a = a.replace("7", "ㅂ")
a = a.replace("8", "ㅅ")
a = a.replace("9", "ㅈ")
a = a.replace("1", "ㅣ")
a = a.replace("2", ".")
a = a.replace("3", "ㅡ")

a = a.replace("  ", " ")

for k, v in vowels5.items():
    a = a.replace(k, v)
for k, v in vowels4.items():
    a = a.replace(k, v)
for k, v in vowels3.items():
    a = a.replace(k, v)
for k, v in vowels2.items():
    a = a.replace(k, v)

a = a.replace("ㄱㅅ", "ㄳ")
a = a.replace("ㄴㅈ", "ㄵ")
a = a.replace("ㄴㅎ", "ㄶ")
a = a.replace("ㄹㄱ", "ㄺ")
a = a.replace("ㄹㅁ", "ㄻ")
a = a.replace("ㄹㅂ", "ㄼ")
a = a.replace("ㄹㅅ", "ㄽ")
a = a.replace("ㄹㅌ", "ㄾ")
a = a.replace("ㄹㅍ", "ㄿ")
a = a.replace("ㄹㅎ", "ㅀ")
a = a.replace("ㅂㅅ", "ㅄ")

letter_regex = re.compile(r'[ㄱ-ㅎ][ㅏ-ㅣ](?:[ㄱ-ㅎ](?![ㅏ-ㅣ]))?')
words = a.split(' ')
for i in range(len(words)):
    letters = letter_regex.findall(words[i])
    for j in range(len(letters)):
        if len(letters[j]) == 2:
            letters[j] += ' '
        
        cho = "ㄱㄲㄴㄷㄸㄹㅁㅂㅃㅅㅆㅇㅈㅉㅊㅋㅌㅍㅎ".index(letters[j][0])
        jung = "ㅏㅐㅑㅒㅓㅔㅕㅖㅗㅘㅙㅚㅛㅜㅝㅞㅟㅠㅡㅢㅣ".index(letters[j][1])
        jong = " ㄱㄲㄳㄴㄵㄶㄷㄹㄺㄻㄼㄽㄾㄿㅀㅁㅂㅄㅅㅆㅇㅈㅊㅋㅌㅍㅎ".index(letters[j][2])
       
        letters[j] = chr(44032+ (cho * 21 + jung) * 28 + jong).encode('utf-8').decode('utf-8')
    words[i] = ''.join(letters)

print(' '.join(words))