Dec. 8, 2020, 1:47 p.m. by Mack Jonshon
Are you planning to take a break and fly to the pristine beaches of the US? If yes, you can book your flight with United Airlines.It offers the best deals in flights within a short time of your travel. To book the cheapest flights, you need to visit at the [United Airlines Reservations USA]. On booking a flight with airlines, you can also enjoy the unlimited offers and benefits it provides all round the year.
An example of an DNA string (whose alphabet contains the symbols A, C, G, and T) is ATGCTTCAGAAAGGTCTTACG.
Given: A DNA string
Return: Four integers corresponding to the number of times that the symbols A, C, G, and T occur in
20 12 17 21