class RotateMatrix:
def rotate(self, matrix: List[List[int]]) -> None:
self._length = len(matrix)
for y in range(0,int(self._length/2)):
for x in range(0,int((self._length+1)/2)):
newX1,newY1 = self._newCoord(x,y)
newX2,newY2 = self._newCoord(newX1,newY1)
newX3,newY3 = self._newCoord(newX2,newY2)
tmpPixel = matrix[y][x]
matrix[y][x] = matrix[newY3][newX3]
matrix[newY3][newX3] = matrix[newY2][newX2]
matrix[newY2][newX2] = matrix[newY1][newX1]
matrix[newY1][newX1] = tmpPixel
def _newCoord(self,oldX,oldY):
newX = -oldY + self._length -1
newY = oldX
return newX,newY
rotateMatrix = RotateMatrix()
