Write a function defined as def Secant(fcn, x0, x1, maxiter=10, xtol=1e-5)

Purpose: use the secant Method to find the root of fcn(x), in the neighborhood of x0 and x1.

In this assignment you must use variables, loops, if statements, your own function definitions and function calls to write the required functions. For now, you may not use any of the powerful functions available in python modules, with two exceptions: you may import functions from the math module and the copy module. You must include reasonable comments in your code.