rotate matrix 90 degrees clockwise python

1#rotate 90 deg clockwise
2box=[["a","b"],["c","d"],["e","f"]]
3
4rows = len(box)
5cols = len(box[0])
6
7box2 = [[""] * rows for _ in range(cols)]
8
9for x in range(rows):
10    for y in range(cols):
11        box2[y][rows - x - 1] = box[x][y]
12

1new_matrix = [[m[j][i] for j in range(len(m))] for i in range(len(m[0])-1,-1,-1)]

1#The program defines the square matrix 90 degrees clockwise direction.
2m,n  = map(int,input().split())
3#m,n are the number of rows and columns.
4#m = int(input('rows'))
5l = []
6for i in range(m):
7	x = list(map(int,input().split()))  #for taking the  rows a time and split it append to an empty list		
8	l.append()
9for i in range(m):
10	for j in range(m-1,-1,-1):
11		print(l[j][i],end=' ')
12	print(end='\n')
13