I have two list to begin with.
list1 = {1, 2, 3};
list2 = {10, 20, 30, 40};
I want to obtain the following output (order unimportant):
{11, 12, 13, 21, 22, 23, 31, 32, 33, 41, 42, 43}
I can obtain it via "Table, For, Do" etc. command but I am looking for a concise code to achieve such an output?