<prompt> Kujenga kazi ya kupata eneo la mstatili.  <response>: Sure, heres a simple function in Python that calculates the area of a rectangle given the length and width arguments. Pythondef rectangle_arealength, width: takes two numerical arguments as length and width and returns the area of the rectange area length width return areaThis rectangle_area function takes in two arguments, length and width which represent the dimensions of a rectangle. The function calculates the area by multiplying the length by the width and returns the resulting value. You can use this function to calculate the area of a rectangle by inputting the dimensions as arguments when calling the function. 