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."""
punctuation = ".,;:!?()[]'\"-—"
myset = {ch for ch in text if ch in punctuation}
print("Множина розділових знаків у тексті:")
print(myset)

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