01: Consider particle \"P\" having random walk in 1D, Let N steps of equal length be taken along a line. Let be the probability of taking a step to the right, the probability of taking a step to the left, \"a\" the number of steps taken to the right, and \"b\" the number of steps taken to the left. Write a MATLAB that calculates and plot the following parameters: Total distance covered by a molecule from the initial point. Total distance covered to the right. Total distance covered to the left. Expected Value of Number of steps towards right. Variance of steps of particles