2.82 How to apply a function to two lists at the same time?
Given list \(a = \{1,2,3,4\}\) and list \(b=\{5,6,7,8\}\) how to to call function \(f(x,y)\) by taking \(x,y\) from \(a,b\) one a time so that the result
gives \(f(1,5),f(2,6),f(3,7),f(4,8)\)?