什么是使用python识别列表中的元组长度为0的最佳方法

I have some list. Each list has some tuples. I want to process (print the value of my tuple). But some of my list has some tuples which is the length of all tuples is 0. I want to identify that i can past that list for next process because there is no value in my tuples.I have some list. Each list has some tuples. I