<prompt> Input a list of strings and generate all possible permutations of the strings.a,b,c  <response>: There are 6 possible permutations of the strings a,b,c, and these permutations are as follows:1. a, b, c2. a, c, b3. b, a, c4. b, c, a5. c, a, b6. c, b, a 