I have the feeling this is a very basic question, but I can't seem to find the way to solve this easily.
I have imported a set of data from a txt file into a table so the resulting list has the following structure:
I want it to reshape it into this form:
I apologize because I know it must be trivial but I haven't found the way yet. I've always had problems manipulating lists in Mathematica so, if anyone has any resource I can use to learn about this it'd be very much appreciated.