def answer_test(answer_url):
answer = Answer(answer_url)
# 获取该答案回答的问题
question = answer.get_question()
# 获取该答案的作者
author = answer.get_author()
# 获取该答案获得的赞同数
upvote = answer.get_upvote()
# 获取改该答案所属问题被浏览次数
visit_times = answer.get_visit_times()
# 获取所有给该答案点赞的用户信息
voters = answer.get_voters()
# 获取答案长度
answer_length = answer.get_answer_length()
# 把答案输出为txt文件
answer.to_txt()
# 把答案输出为markdown文件
answer.to_md()
print question
# <zhihu.Question instance at 0x7f0b25d13f80>
# 一个Question对象
print question.get_title() # 输出：现实可以有多美好？
print author
# <zhihu.User instance at 0x7f0b25425b90>
# 一个User对象
for voter in voters:
print voter
# 一个 User 对象
print author.get_user_id() # 输出：田浩
print upvote # 输出：9320
print visit_times # 输出: 改答案所属问题被浏览次数
print 'answer_length', answer_length # 输出:
