Hourglass Sum

def hourglassSum(Array):
    Rows = len(Array)
    Columns = len(Array[0])
    MAX = None
    for i in range(Rows):
        for j in range(Columns):
            if j <= Columns/2 and i <= Rows/2:
                CurrentClock = []
                CurrentClock.append(Array[i][j])
                CurrentClock.append(Array[i][j+1])
                CurrentClock.append(Array[i][j+2])

                CurrentClock.append(Array[i+1][j+1])

                CurrentClock.append(Array[i+2][j])
                CurrentClock.append(Array[i+2][j+1])
                CurrentClock.append(Array[i+2][j+2])

                if MAX == None or sum(CurrentClock) > MAX:
                    print(sum(CurrentClock), ">", MAX)
                    MAX = sum(CurrentClock)
                    print(MAX)
    return MAX