written in python

4.6 Although Python provides us with many list methods, it is good practice and very instructive to think about how they are implemented. Implement a Python function that works like the following: (a) count (b) in: return True if the item is in the list (c) reverse (d) index: return -1 if the item is not in the list (e) insert 4.7 Write a function shuffle that takes a Write a functi list as a parameter and returns a new list with the elements shuffled into a random order. 4.8 Write a function shuffle that takes a list as a parameter and shuffles the list in place