Task 1 In the notebook provided 1. In code cell, create aha variable and assign abcdefgh' to it. 2. Then write Python expressions (in the code cell) using string aha and the indexing/slicing operator that evaluate to: a) 'abcd' b) 'def' c) 'h' d) 'fg' e) 'defgh' f) 'fgh' g) 'adg' h) 'be