python generator?

Question

Python

How to use a generator in python to merge files?

Answer 1

def test(f1, f2):
    with open(f1, 'r') as fd:
        for i in fd.xreadlines():
            yield i
    with open(f2, 'r') as fd:
        for i in fd.xreadlines():
            yield i

for i in test("file1", "file2"):
   print i