all_calculations = ['10.0 lb is 4.54 kg', '20.0 lb is 9.07 kg',
                    '30.0 lb is 13.61 kg', '40.0 lb is 18.14 kg',
                    '50.0 lb is 22.68 kg', '60.0 lb is 27.22 kg']

newest_first = list(reversed(all_calculations))

print("==== Oldest to Newest for File ====")
for item in all_calculations:
    print(item)

print()

print("==== Most Recent First ====")
for item in newest_first:
    print(item)