How to pull a letter and number out of an Array [duplicate]

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• How to randomly pick an element from an array 10 answers

I would like to create a program that will randomly pull a letter and number from a list together. Like a generator. For example, the lists will look like this: {a, b, c, d, e, f} and {1, 2, 3, 4, 5, 6} and the output will randomly give me some sort of '1b' '5e' '4b' Is there a way to do this?