Module 3 Video notes.docx - Week Three Videos: Lesson 3-1:...

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Week Three Videos:Lesson 3-1: Why Use Python Instead of Excel:Hello, this first lesson in this module is going to explore why learning programming skills canhave direct benefits over using traditional businesses tools, in particular, Excel. It’s alwayseverywhere in the business world. That’s because it makes it easy to process data in a visuallyintuitive manner.Yet there’s problems with using Excel, not the least of which is that it isn’t good at dealing withlots of data. But there’s other reasons as well. And in this lesson, you’re going to read an articlethat talks about specifically why it’s better to use Python rather than Excel.Now, I’m not expecting you to understand all of the code demonstrated in this blog at thisparticular time, but you will after going through this module and other modules in this course.So don’t worry, you will understand the code that is shown.So what are the main points?And why would you want to think about using Python in particular, rather than Excel?Of course the blog starts with the obligatory picture of a Python.That’s not the kind of Python we’re using, of course, we’re using the Pythonprogramming language.So, the main point about using Python rather than Excel is this ideal that Excel loses theaudit trail.There’s no way to know for sure what exactly was done in a spreadsheet when peoplehave specified cells, or cut and pasted data. Instead when you process data with a code,you can see every line of that code.And so that’s what this blog really focuses on, that whole idea of building arepeatability, and showing what your hypothesis is, and enabling you to share whatyou’re doing with others.Of course, we’re using Jupyter Notebooks, which make this even easier.You can run your code over and over and over again from within your web browser.You can make changes and see how that affects what you’re trying to measure. And youof course can share either visually, your notebook or share the notebook itself so thatothers can run it.

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