for ff[1] in factors, ff[2] in factors, ff[3] in factors, ff[4] in factors,
ff[5] in factors, ff[6] in factors, ff[7] in factors,
ff[8] in factors, ff[9] in factorsTo simplify the above, I tried the following but it didn't work: for ff[1:9] in factors Is there a similar simple way to do?
