Programming Assignment 4: Focus on function arguments, return values, modules The FiveTwelve Construction Company has asked you to implement a computer program to determine the number of cans of paint, along with the cost, to paint a room of a given size with a given color. You will write this program using a main () and several functions. The functions will be organized into two modules. The available colors and their cost per can are: Color Cost/can $3.68 Blue $3.69 Eggshell $4.25 Green Red White Custom $4.25 $3.25 $6.00 First function: This function will prompt the user for a room dimension value as input and return it. The function should be passed one argument, a string which identifies which dimension is to be entered ('length', 'width', `height'). The function should perform basic input validation before returning the value. The dimensions width and length will be between 4.5 and 30 feet, height between 6.5 and 16 feet. Notice that the function will be called three times by main(), once for each dimension. Second function: This function will prompt the user for the color to be used and return the value. The color should be limited to one of the available ones. While the user should be presented with the names of the colors, they should be shown along with abbreviations that are easier to enter, for example Green (G), Red (R), etc. The abbreviations will be the coded value that the function returns. Third function: This function should compute and return the number of cans of paint needed for the job. The three dimensions will be passed as arguments and the function will calculate the total surface are to be painted and then the number of cans required. The returned value must be an integer, since the company can't buy fractional cans of paint. Also, you cannot just convert from float to int because that will always truncate the quantity. Use the math.ceil function. The room has 4 walls and a ceiling to paint and is rectangular. The floor will not be painted. Two walls will have size height*length and two will have height*width. The ceiling's size is length*width. One can of paint covers 365 square feet of surface. Jength width height Fourth function: This function should compute and return the total cost of paint for the room. It will receive the number of cans of paint and the color code (abbreviation) as arguments. main(): will call the functions and print out the final cost for the user. The first two functions should be stored in a module named fetch.py. The third and fourth functions should be stored in a module named compute.py.

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