python largest value in list

1>>> L=[2,-7,3,3,6,2,5]
2>>> max(L)
36

1#!/usr/bin/python
2
3list1, list2 = [123, 'xyz', 'zara', 'abc'], [456, 700, 200]
4print "Max value element : ", max(list1)
5print "Max value element : ", max(list2)

1longest_string = len(max(a_list, key=len))