import re


def detect_unused_loop_variable(code):
    regex = re.compile(
        r"^(?P<indent> *)for (?P<id>\S+) in .+:(?:\n(?P=indent) +((?P<contains>[^#\n]*(?P=id).*)|.*))*",
        re.MULTILINE,
    )

    result = regex.search(code)

    if not result:
        return False

    if result.group("contains"):
        return False

    # print(result.group(0))

    return True