如何确定二维列表是否包含值？

Question

我有一个如下列表

mylist = [('value1', 'value2', 'value3'), ('secval1', 'secval2', 'secval3')]

如何查看列表是否包含"value2"？

Answer 1

用途any():

any('value2' in sublist for sublist in mylist)

Answer 2

您只需检查所有子列表any:

any('value2' in subl for subl in mylist)