class RangeModule:

    def __init__(self):
        self.range = []

    def addRange(self, left: int, right: int) -> None:
        for el in [x for x in range(left, right) if x not in self.range]:
            self.range.append(el)
    def queryRange(self, left: int, right: int) -> bool:
        for el in [x for x in range(left, right)]:
            if el not in self.range:
                return False
        return True
    def removeRange(self, left: int, right: int) -> None:
        for el in [x for x in range(left, right) if x in self.range]:
            self.range.remove(el)