What is give a little wistle?

"Give a Little Whistle" is a song written by Leigh Harline and Ned Washington for the 1940 Disney animated film, Pinocchio. The song is performed by the character Jiminy Cricket, who advises Pinocchio to always let his conscience guide him in making decisions. The song has become a classic and is often used as a symbol of moral guidance and intuition. It has been covered by various artists and remains a popular Disney tune.