def map_filtering(original_map, new_map):
    bad_arr = []
    for (old_key, old_value) in original_map.items():
        if (old_key in new_map):
            new_value = new_map[old_key]
            if (old_value >= new_value):
                bad_arr.append(old_key)
    print(f'나쁜코인목록 ::: {bad_arr}')
    for old_key in bad_arr:
        new_map.pop(old_key, None)
    return new_map
def map_filtering(original_map, new_map):
    bad_arr = []
    for (old_key, old_value) in original_map.items():
        if (old_key in new_map):
            new_value = new_map[old_key]
            if (old_value >= new_value):
                bad_arr.append(old_key)
    print(f'나쁜코인목록 ::: {bad_arr}')
    for old_key in bad_arr:
        new_map.pop(old_key, None)
    return new_map