sample_dict = {1: 1, 2: 4, 3: 9, 4: 16, 5: 25, 6: 36, 7: 49, 8: 64, 9: 81, 10: 100, 11: 121, 12: 144, 13: 169, 14: 196, 15: 225}
values_sum = sum(sample_dict.values())
keys_sum = sum(sample_dict.keys())
print("Sum of keys in dictionary",keys_sum)
print("Sum of values in dictionary",values_sum)
print('Sum of all items in dictionary :',keys_sum+values_sum)