IN python

paintTheRoom (length, width, height) Write the function paintTheRoom (length, width, height) that takes three float for length, width, and height of the rectangular room, all in feet. Using this information and the nominal coverage for a given paint, compute the amount of paint needed to cover the four walls and ceiling, assuming no doors or windows. The function returns the whole number of gallons of paint needed. Assume one gallon of paint will cover 400 square feet. You need to round up the required gallon number