I am looking at the numpy.savetxt, and am stuck at the fmt option. I tried looking at here and also the reference in the link below all the letters that can be used for the fmt option sort give me a general sense of what is going on. What I do not understand is if the % symbol is required and in an example given here how should I interpret the 10.5 number? If "f" is about setting the floating point, then how come is it 10.5 (then again, I might not know how floating points are set...). Continue reading...