# Scraping from Web

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Scraping from Web
• download rather than retrieve over and over again, for the fact that some data isn't going to change(history transaction, history flight dll)

• It could be that we make naive assumption that we only just post parameters as a related form for particular url.
• Turns out that is not be the case, in network tools, we have some additional parameter that we're trying to figure out
• This is where the meat of wrangling in data science comes from