def detectBigCase (coord): return [ e // 3 for e in coord ] def getBounds (n): offset = [ e * n for e in (3,3)] return list ( map (sum, zip ((0,2), offset))) def getListCoords (bigCaseCoords): x, y = bigCaseCoords X = getBounds (x) Y = getBounds (y) coords = [] for i in range (X [0], X [1]+1): for j in range (Y [0], Y [1]+1): coords.append ((i,j)) return coords bigCaseCoords = detectBigCase ((6,3)) coords = getListCoords (bigCaseCoords) print (coords)