Problem $2$: Find root of the following equation $f(x)=x^3-x-1$ using forward search within a range of $[1$ and $2].$ Your code should print number of iteration $($number of guess$)$ as well.

Problem $3$: Find root of the following equation $f(x)=x^3-x-1$ using bisection search within a range of $[1$ and $2].$ Your code should print number of iteration $($number of guess$)$ as well.