- https://realpython.com/python-lambda/
- https://www.guru99.com/python-lambda-function.html
- https://dev.to/suvhotta/python-lambda-and-list-comprehension-5128/
- https://www.dataquest.io/m/355-list-comprehensions-and-lambda-functions/
- https://www.studytonight.com/post/find-a-given-elements-index-in-python-list/
- https://www.guru99.com/python-list-index.html
- https://lerner.co.il/2014/05/11/creating-python-dictionaries-reduce/
list(map((lambda x:x[1]), records))