Data Wrangling with Python: Tips and Tools to Make Your Life by Jacqueline Kazil

By Jacqueline Kazil

How do you are taking your info research abilities past Excel to the subsequent point? via studying simply enough Python to get stuff performed. This hands-on advisor indicates non-programmers such as you easy methods to approach info that is at first too messy or tough to entry. you do not need to grasp something concerning the Python programming language to start. via quite a few step by step workouts, you will easy methods to gather, fresh, learn, and current facts successfully. you are going to additionally notice how you can automate your facts strategy, agenda dossier- enhancing and clean-up projects, technique better datasets, and create compelling tales with facts you got.

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Info Launching the Python Interpreter We learned how to open the Python interpreter in Chapter 1. As a reminder, you first need to navigate to your command-line prompt. 40)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> From this point forward, everything we type in this chapter is assumed to be in the Python interpreter, unless otherwise specified If you’re using IPython, the prompt will look like In [1]:. Basic Data Types In this section, we will go over simple data types in Python.

We installed and tested Python. 2. We installed pip. 3. We installed a code editor. This is the most basic setup required to get started. As you learn more about Python and programming, you will discover more complex setups. Our aim here was to get you started as quickly as possible without getting too overwhelmed by the setup pro‐ cess. If you’d like to take a look at a more advanced Python setup, check out Appen‐ dix D. As you work through this book, you might encounter tools you need that require a more advanced setup; in that event we will show you how to create a more complex setup from your current basic one.

Try it: type('20011') type(20011) The first line returns str. The second line returns int. What happens when you pass a list to type? And a variable? Identifying the type of an object can be very helpful when you are trying to trouble‐ shoot an error or work with someone else’s code. Remember when we tried to sub‐ tract a list from another list (in “Addition and Subtraction” on page 32)? info cannot subtract a string from a string either. So, the string '20011' has very different possible methods and use cases than the integer 20011.

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