Python中进行了csv格式数据的筛选，如何将这些筛选数据进行另存为新的csv

想把如下Python筛选数据存为csv格式

   LON     LATE

34 108.7625 34.4372

42 108.7642 34.4363

43 108.7641 34.4363

78 108.7625 34.4372

92 108.7634 34.4366

262 108.7632 34.4367

1141 108.7649 34.4369

1811 108.7632 34.4368

2117 108.7634 34.4366