上降充通大 ParisTech SHANGHAI JIAO TONG UNIVERSITY INSTITUT DES SCIENCES ET TECHNOLOGIES PARIS INSTITUTE OF TECHNOLOGY A Simple Searching Problem In the first example,the function returns the index where 4 appears in the list. In the second example,the return value -1 indicates that 7 is not in the list. Python includes a number of built-in search- related methods! 66 A Simple Searching Problem • In the first example, the function returns the index where 4 appears in the list. • In the second example, the return value -1 indicates that 7 is not in the list. • Python includes a number of built-in search￾related methods!