You can start by looking at the date. Anything made before 1923, no matter what, will be definitely in the public domain. ... Most times, it's impossible to determine whether something is in the public domain just by the date. There are three ways you can find out definitively whether a work is in the public domain.
A looping is a set of instructions which is repeated a certain number of times until a condition is met. hlo dai k xa halkhabar