def split_tuple(expr: str):
    """
    Split the elements in a tuple/interval, while handling well-formatted commas in large numbers
    """
    expr = _strip_properly_formatted_commas(expr)
    if len(expr) == 0:
        return []
    if (
        len(expr) > 2
        and expr[0] in TUPLE_CHARS
        and expr[-1] in TUPLE_CHARS
        and all([ch not in expr[1:-1] for ch in TUPLE_CHARS])
    ):
        elems = [elem.strip() for elem in expr[1:-1].split(",")]
    else:
        elems = [expr]
    return elems

    Split the elements in a tuple/interval, while handling well-formatted commas in large numbers
    
envs/MATH/verify_utils.py