local_school = threading.local()

def process_student():
    std = local_school.student
    print('hello, %s (in %s)' % (std, threading.current_thread().name))

def process_thread(name):
    local_school.student = name
    process_student()

def test_thread_local():
    t1 = threading.Thread(target=process_thread, args=('Alice',), name='Thread-A')
    t2 = threading.Thread(target=process_thread, args=('Bob',), name='Thread-B')

    t1.start()
    t2.start()

    t1.join()
    t2.join()