def main():
    d1 = {'a': 100, 'b': 200}
    d2 = {'x': 300, 'y': 200}

    print('==Exercise 6==')
    d_o = {**d1,**d2}
    print(f"Merged dict: {d_o}")
    print('==End Of Ex6==')
    return 0

if __name__ == '__main__':
    main()