comefrom: <doocs>2352.Equal Row and Column Pairs_1.py
code: def equalPairs( grid: List[List[int]]) -> int:
      n = len(grid)
      g = []
      for j in range(n):
          t = []
          for i in range(n):
              t.append(grid[i][j])
          g.append(t)
      return sum(row == col for row in grid for col in g)
masked: def sample_funcname ( var_0 : List [ List [ int ] ] ) -> int :
      var_4 = len ( var_0 )
      var_5 = [ ]
      for var_7 in range ( var_4 ) :
          var_8 = [ ]
          for var_9 in range ( var_4 ) :
              var_8.append ( var_0 [ var_9 ] [ var_7 ] )
          var_5.append ( var_8 )
      return sum ( var_12 == var_13 for var_12 in var_0 for var_13 in var_5 )
  