1. 有两个列表 l1 = [11, 22, 33] l2 = [22, 33, 44] a.获取内容相同的元素列表 li = []l1 = [11, 22, 33] l2 = [22, 33, 44] for v1 in l1: for v2 in l2: if v1 == v2: li.append(v1)print(li) b.获取l1中有,l2中没有的元素列表 li = []l1 = [11, 22, 33] l2 = [22, 33, 44] for v1 in l1: if v1 n