Write a function enumwords to enumerate all combinations of 8 characters, alternating between upper case letters and the first ten natural numbers, as below: A0A0A0A0 A0A0A0A1 ... A0A0A0A9 A0A0A0B0 A0A0A0B1 ... A0A0A0B9 ... B0A0A0A0 B0A0A0A1 ... B0A0A0A9 ... Z9Z9Z9Z0 Z9Z9Z9Z1 ... Z9Z9Z9Z9 where the ... represents the omitted output.
(a) Write first the prototype of the function enumwords and explain each parameter.
(b) Write the definition of the function enumwords.
