List Product / Combinations With Strings

Question

I have a list like this in Mathematica:

list1 = {{"A"},{"B","C"}}

I am trying to output a second list that has the combinations of these elements but while maintaining the order, i.e., A should come first:

list2 = {{"A","B"},{"A","C"}}

But, I am not sure how to do this efficiently.

Thanks.

Carl Woll · Accepted Answer · 2019-12-15 07:05:07Z

7

You can use Distribute:

Distribute[list1, List]

{{"A", "B"}, {"A", "C"}}

answered Dec 15, 2019 at 7:05

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kglr · Accepted Answer · 2019-12-15 07:35:53Z

7

Tuples @ list1

{{"A", "B"}, {"A", "C"}}

answered Dec 15, 2019 at 7:35

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2 Answers 2