file_names = ["ext-dict/star_anhvietanh.tab", "ext-dict/SPDict-Anh-Viet-Anh.tab"]
word_sets = []

print(f"Set A: {file_names[0]} - Set B: {file_names[1]}")
for filename in file_names:
    with open(filename, "r", encoding="utf-8") as f:
        lines = f.read().split("\n")
        f.close()

        words = []

        for l in lines:
            items = l.split("\t")
            #            if items[0].isalpha():
            words.append(items[0])

        word_sets.append(set(words))

print(f"No. words: set A: {len(word_sets[0])} set B: {len(word_sets[1])}")

print(f"No. intersected words: {len(word_sets[0].intersection(word_sets[1]))}")

print(f"No. different words in A not in B: {len(word_sets[0].difference(word_sets[1]))}")  # \n{word_sets[0].difference(word_sets[1])}

print(f"No. different words in B not in A: {len(word_sets[1].difference(word_sets[0]))}")

print(f"No. symmetricly different words in B not in A: {len(word_sets[1].symmetric_difference(word_sets[0]))}")

# print(f'No. different words in B not in A: {word_sets[1].difference(word_sets[0])}')