i've been working in this project so hard but i still have lots of problems. I'm not a good programmer but it's a class I've to take. this is a program that give us a idea of how the signal work. we have like 6 condition states and also have 50 data to organize in this 6 condition states I've organize 6 but i got to have the 50 data in a list comply the conditions mention in the code in it must be print the list without repletion data sorry for my english :P the code its divide in 3 parts.