is braces sequence correct

def is_braces_sequence_correct(expression):
    stack = []
    for symbol in expression:
        if symbol in '([{':
            stack.append(symbol)
        elif symbol in ')]}':
            if len(stack) == 0:
                return False
            x = stack.pop()
            if not (x == '(' and symbol == ')'or
                    x == '[' and symbol == ']'or
                    x == '{' and symbol == '}'):
                return False
    return len(stack) == 0

print(is_braces_sequence_correct(input()))