comefrom: <qiyuangong>296_Best_Meeting_Point_3.py
code: def collectRows( grid):
      rows = []
      for i in range(len(grid)):
          for j in range(len(grid[0])):
              if grid[i][j] == 1:
                  rows.append(i)
      return rows
masked: def sample_funcname ( var_0 ) :
      var_1 = [ ]
      for var_4 in range ( len ( var_0 ) ) :
          for var_6 in range ( len ( var_0 [ 0 ] ) ) :
              if var_0 [ var_4 ] [ var_6 ] == 1 :
                  var_1.append ( var_4 )
      return var_1
  