上游充通大 ParisTech SHANGHAI JIAO TONG UNIVERSITY INSTITUT DES SCIENCES ET TECHNOLOGIES PARIS INSTITUTE OF TECHNOLOGY Functions,Informally Creating this function saved us a lot of typing! e What if it's Lucy's birthday?We could write a new singLucy function! def singLucy(): happy ( happy ( print"Happy birthday,dear Lucy..." happy ( 1111 Functions, Informally • Creating this function saved us a lot of typing! • What if it’s Lucy’s birthday? We could write a new singLucy function! def singLucy(): happy() happy() print"Happy birthday, dear Lucy..." happy()