python - 如果没有值则最大值 - python

Question

如果满足某些条件，我想返回列表中的项目。一个条件是我的项目是 "Project A"，但另一个条件是对于所有子列表，t[1] 不是 None包含“项目 A”。我的代码可以工作，但效率似乎很低。我怎样才能把它结合起来？

mylist = [(1, None, "Project A"), (2, 3, "Project A"), (3, 6, "Project B")]

try:
    if None not in [t[1] for t in mylist if t[2] == "Project A"]:
        print max(t for t in mylist if t[2] == "Project A" and t[1] is not None)
    else:
        print "no match"
except ValueError:
    print "no match"

Answer 1

tmp = [x for x in mylist if x[2] == "Project A"]
if tmp and None not in zip(*tmp)[1]:
    print max(tmp)
else:
    print "no match"