solve.py

from operator import mul


def sqftBox(l,w,h):
    return 2*l*w + 2*w*h + 2*h*l


def areaSmallestSide(l, w, h):
    return min([l * w, l * h, w * h])


def perimeterSmallestSide(l, w, h):
    return min([2*l + 2*w, 2*l + 2*h, 2*w + 2*h])

with open("input.txt") as _input:
    wrappingPaper = 0
    ribbon = 0
    for line in _input:
        dimensions = map(int, line.split("x"))
        wrappingPaper += sqftBox(*dimensions) + areaSmallestSide(*dimensions)

        ribbon += perimeterSmallestSide(*dimensions) + reduce(mul, dimensions)
    print("Square feet of wrapping paper: " + str(wrappingPaper))
    print("Feet of ribbon: " + str(ribbon))