def identifiers(text, IDN):
    separators = '.,;:!?()[]\'"–-'
    for s in separators:
        text = text.replace(s, ' ')
    slova = text.split()
    for slovo in slova:
        if len(slovo) > 0 and slovo[0].upper() in ['I', 'Y', 'K', 'L', 'M', 'N']:
            IDN.append(slovo)
text = """Ukraine[a] is a country in Eastern Europe. It is the second-largest country in Europe after Russia, which borders it to the east and northeast.[b] Ukraine also borders Belarus to the north; Poland and Slovakia to the west; Hungary, Romania and Moldova[c] to the southwest; and the Black Sea and the Sea of Azov to the south and southeast.[d] Kyiv is the nation's capital and largest city, followed by Kharkiv, Odesa, and Dnipro. Ukraine's official language is Ukrainian"""
IDN = []
identifiers(text, IDN)
print("Ідентифікатори змінних, які починаються з букв I, Y, K, L, M або N:")
print(IDN)

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