@staticmethod
def omit(d, *args):
    result = d.copy()
    for arg in args:
        if (type(arg) is list):
            for key in arg:
                if (key in result):
                    del result[key]
        elif (arg in result):
            del result[arg]
    return result
@staticmethod
def omit(d, *args):
    result = d.copy()
    for arg in args:
        if (type(arg) is list):
            for key in arg:
                if (key in result):
                    del result[key]
        elif (arg in result):
            del result[arg]
    return result