Merging Data Sets in Python

Hello World,

So this article is inspired by a customer doing financial analysis who can only grab a certain amount of data at a time from the data steward’s stores in chunks based on time windows. As time is constantly moving, what happens is that occasionally you get duplicate data in each request. If you attempt to grab exactly on the edges, you have a chance of missing something, so its best to have a bit of an overlap and just deal with that overlap.
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