Problem Statement Write a function ‘fib(n)’ that takes in a number as an argument.The function should return the n-th number of the Fibonacci sequence. The 1st and 2nd number of the sequence is 1.To generate the next number of the sequence, we sum the previous two. Example:n : 1,2,3,4,5,6,7, 8, 9,…fib(n): 1,1,2,3,5,8,13,21,34,.. if n=7, the […]