def __init__(self, exprs: List[ASTExpression], ops: List[str]):
    assert (len(exprs) > 0)
    assert (len(exprs) == (len(ops) + 1))
    self.exprs = exprs
    self.ops = ops
def __init__(self, exprs: List[ASTExpression], ops: List[str]):
    assert (len(exprs) > 0)
    assert (len(exprs) == (len(ops) + 1))
    self.exprs = exprs
    self.ops = ops