Write a program that uses a function that takes a string as input and outputs the first character as a string. ie: input: "Hello" output: "H" Class recordings: https://drive.google.com/drive/folders/1UdRolBG1G4DkQQnTTEkDisaxwyPO73jn?usp=sharing Class slides: https://drive.google.com/file/d/1j8kE1lcpxTxmbhberPJh255d_s9N2ugW/view