Bit Wise Combinations of items in dictionary! If you have a set of objects, and want to access as a list of their combinations, use this simple snippet which uses bitwise and operator in python!

get_combinations.py

def get_status(code: int):
    """
    This function will return a list of items 
    """
    _status_set = {
        1: 'Alice',
        2: 'Bob',
        4: 'Charlie',
        8: 'David',
        16: 'Eve',
        32: 'Frank',
        64: 'Grace',
        128: 'Heidi',
        256: 'Ivan',
    }
    statuses = []
    next_greatest_factor = max(list(_status_set.keys()))
    
    """
    ''' *** VALIDATION IF Input expects to be string*** '''
    # if not code.isdigit() or int(code) >= next_greatest_factor * 2:
    #     return code  # raise NotACode("This is not a valid key!")
    # code = int(code)
    """
    
    while next_greatest_factor:
        if code & next_greatest_factor:        # finding if number is a factor using  "Bitwise AND Operator"
            statuses.append(
                _status_set[next_greatest_factor]
            )    # if so; add corresponding value to the list to be returned!
        next_greatest_factor //= 2             # get next factor
    # statuses.reverse()                  # [].reverse() to get in order~!
    return statuses


if __name__ == "__main__" :
    stat_code = 240     # 128 + 64 + 32 + 16
    print(get_status(stat_code))
    # >>> ['Eve', 'Frank', 'Grace', 'Heidi']

    stat_code = 120     # 64 + 32 + 16 + 8 
    print(get_status(stat_code))
    # >>> ['David', 'Eve', 'Frank', 'Grace',]

    stat_code = 75      # 64 + 8 + 2 + 1  
    print(get_status(stat_code))
    # >>> ['Alice', 'Bob', 'David', 'Grace']

    stat_code = 3     # 2 + 1
    print(get_status(stat_code))
    # >>> ['Alice', 'Bob']