text: # my solution
  class Solution:
      def transpose(self, A: List[List[int]]) -> List[List[int]]:
          new = []
          
          for j in range(len(A[0])):
              tmp = []
              for i in range(len(A)):
                  tmp.append(A[i][j])
              new.append(tmp)
                  
          return new