def main():
    test = TestUniqueChars()
    test.test_unique_chars(unique_chars)
    try:
        test.test_unique_chars(unique_chars_hash)
        test.test_unique_chars(unique_chars_inplace)
    except __HOLE__:
        # Alternate solutions are only defined
        # in the solutions file
        pass
dataset/ETHPy150Open donnemartin/interactive-coding-challenges/arrays_strings/unique_chars/test_unique_chars.py/main