48. Rotate Image

def clockWiseRotate(matrix):
    """
    clock wise rotate: first reverse up to down, then transpose the Matrix
    """
    matrix.reverse()
    for i in range(len(matrix)):
        for j in range(i, len(matrix[0])):
            temp = matrix[i][j]
            matrix[i][j] = matrix[j][i]
            matrix[j][i] = temp

def anticlockWiseRotate(matrix):
    """
    anti-clock wise rotate: first reverse left to right, then transpose the Matrix
    """
    for i in range(len(matrix)):
        matrix[i].reverse()
    for i in range(len(matrix)):
        for j in range(i, len(matrix[0])):
            temp = matrix[i][j]
            matrix[i][j] = matrix[j][i]
            matrix[j][i] = temp