AWS DynamoDB is a fully managed key-value store (also document store) NoSQL database as a service provided by Amazon Web Services. Its pricing model is that you only pay for the throughput (read and write) you use instead of the storage usage and the running hours of database instances.
argparse is a Python standard library makes it easy to write a CLI application. You should use this module instead of optparse.
awscli is a command-line interface for all Amazon Web Services (AWS).
因為前陣子跟朋友們一起弄了一個技術週刊：CodeTengu Weekly 碼天狗週刊，每個禮拜在考慮要放哪些內容的時候，突然覺得：「你都去哪裡看技術文章？」或許也會是個有價值而且實用的主題，所以乾脆就來跟大家分享一下，我覺得不錯的每日資訊來源。
Tools you could use to profile your Python, Django or Flask projects, including: timer, pycallgraph, cProfile, line-profiler, memory-profiler.