def createDict(N, D, G):
    import random, pickle
    dictionary = {}
    for i in range(1, N + 1):
        dictionary[f"{i}"] = random.uniform(D, G)
    fp = open("SLOV.bin", "wb")
    pickle.dump(dictionary, fp)
    fp.close()
    print("Словарь записан в файл SLOV.bin")
    mean = sum(dictionary.values()) / N
    return [dictionary, mean]