Piedmont Park Image Generator

from Myro import *
def collageMaker(fileName, files, newFileName):
    picList = []
    for myNum in range(files+1):
        newPic = makePicture("{}.jpg".format(myNum))
        newRedSum = 0
        newGreenSum = 0
        newBlueSum = 0
        for newPixel in getPixels(newPic):
            newRed = getRed(newPixel)
            newRedSum += newRed
            newGreen = getGreen(newPixel)
            newGreenSum += newGreen
            newBlue = getBlue(newPixel)
            newBlueSum += newBlue
        totalPix = getWidth(newPic)*getHeight(newPic)
        newTuple = (newPic, newRedSum/(totalPix), newGreenSum/(totalPix), newBlueSum/(totalPix))
        picList.append(newTuple)
    pic = makePicture("{}.jpg".format(fileName))
    finalPic = makePicture(50*getWidth(pic),50*getHeight(pic))
    show(pic)
    for pixel in getPixels(pic):
        picX = getX(pixel)
        picY = getY(pixel)
        picRed = getRed(pixel)
        picGreen = getGreen(pixel)
        picBlue = getBlue(pixel)
        minDiff = 256
        for pixelPic in picList:
            redDiff = picRed - pixelPic[1]
            greenDiff = picGreen - pixelPic[2]
            blueDiff = picBlue - pixelPic[3]
            magDiff = (redDiff**2+greenDiff**2+blueDiff**2)**(1/2)
            if magDiff < minDiff:
                minDiff = magDiff
                savePic = pixelPic[0]
        for saveX in range(getWidth(savePic)+1):
            for saveY in range(getHeight(savePic)+1):
                copyPixel = getPixel(savePic, saveX,saveY)
                setRed(getPixel(finalPic, saveX+(picX*50), saveY+(picY*50)), getRed(copyPixel))
                setGreen(getPixel(finalPic, saveX+(picX*50), saveY+(picY*50)), getGreen(copyPixel))
                setBlue(getPixel(finalPic, saveX+(picX*50), saveY+(picY*50)), getBlue(copyPixel))
    show(finalPic)
    savePicture(finalPic,"{}.jpg".format(newFileName))

collageMaker("Piedmont2", 48, "PiedmontCollage")