1. Define a function insert that expects an index, an item, and a Lisp-like list as arguments. The function returns a list in which the item is inserted at the given index position. 2. Define a...

1. Define a function insert that expects an index, an item, and a Lisp-like list as arguments. The function returns a list in which the item is inserted at the given index position.

2. Define a recursive function equals for two Lisp-like lists. Two lists are equal if they are both empty, or their first items are equal and the rest of their items are equal.