comefrom: <qiyuangong>695_Max_Area_of_Island_2.py
code: def bfs( grid, x, y):
      queue = [(x, y)]
      area = 0
      
      while queue:
          i, j = queue.pop(0)
          area += 1
          if i - 1 >= 0 and grid[i - 1][j] == 1:
              grid[i - 1][j] = 0
              queue.append((i - 1, j))
          if i + 1 < len(grid) and grid[i + 1][j] == 1:
              grid[i + 1][j] = 0
              queue.append((i + 1, j))
          if j - 1 >= 0 and grid[i][j - 1] == 1:
              grid[i][j - 1] = 0
              queue.append((i, j - 1))
          if j + 1 < len(grid[0]) and grid[i][j + 1] == 1:
              grid[i][j + 1] = 0
              queue.append((i, j + 1))
      return area
masked: def sample_funcname ( var_0 , var_1 , var_2 ) :
      var_3 = [ ( var_1 , var_2 ) ]
      var_5 = 0
      while var_3 :
          var_7 , var_8 = var_3.pop ( 0 )
          var_5 += 1
          if var_7 - 1 >= 0 and var_0 [ var_7 - 1 ] [ var_8 ] == 1 :
              var_0 [ var_7 - 1 ] [ var_8 ] = 0
              var_3.append ( ( var_7 - 1 , var_8 ) )
          if var_7 + 1 < len ( var_0 ) and var_0 [ var_7 + 1 ] [ var_8 ] == 1 :
              var_0 [ var_7 + 1 ] [ var_8 ] = 0
              var_3.append ( ( var_7 + 1 , var_8 ) )
          if var_8 - 1 >= 0 and var_0 [ var_7 ] [ var_8 - 1 ] == 1 :
              var_0 [ var_7 ] [ var_8 - 1 ] = 0
              var_3.append ( ( var_7 , var_8 - 1 ) )
          if var_8 + 1 < len ( var_0 [ 0 ] ) and var_0 [ var_7 ] [ var_8 + 1 ] == 1 :
              var_0 [ var_7 ] [ var_8 + 1 ] = 0
              var_3.append ( ( var_7 , var_8 + 1 ) )
      return var_5
  