The programs use nltk to cluster user stories based on the meaning and part of speech of keywords. They are used to process user story data sets. This is part of a larger project.
这些程序使用nltk根据关键词的含义和词性对用户故事进行聚类，它们用于处理用户故事数据集。这是一个更大项目的一部分。
Time: 2020 Spring
input: a text file containing user stories
output: a text file containing user stories that have been clustered
2.py and 3.py can manually check the correctness of clustering.