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Tag: Python 101

Python 101 - Assignment Expressions

September 24, 2021 by Mike
Assignment expressions were added to Python in version 3.8. The general idea is that an assignment expression allows you to assign to variables within an expression. The syntax for doing this is: NAME := expr This operator has been called the "walrus operator", although their real name is "assignment expression". Interestingly, the CPython internals also […]

How to Send Emails with Python

September 21, 2021 by Mike
Python provides a couple of really nice modules that you can use to craft emails with. They are the email and smtplib modules. Instead of going over various methods in these two modules, you'll spend some time learning how to actually use these modules. Specifically, you'll be covering the following: The basics of emailing How […]

Python 101: Exception Handling (Video)

June 25, 2021 by Mike
In this video tutorial, you will learn how exception handling works in Python. Specifically, you will learn the following: Common exceptions Handling exceptions Raising exceptions Examining exception objects Using the finally statement Using the else statement If you prefer to read a tutorial, you might be interested in this: Python 101 - Exception Handling Want […]

An Intro to Python Virtual Environments

January 27, 2021 by Mike
Python has the concept of the virtual environments built-in to the language. A Python virtual environment is an environment where you can install 3rd party packages for testing without affecting the system Python installation. Each virtual environment has its own set of installed packages and, depending on the virtual environment and how it's set up, […]

OpenPyXL - Working with Microsoft Excel Using Python

November 3, 2020 by Mike
The business world uses Microsoft Office. Their spreadsheet software solution, Microsoft Excel, is especially popular. Excel is used to store tabular data, create reports, graph trends, and much more. Before diving into working with Excel with Python, let's clarify some special terminology: Spreadsheet or Workbook - The file itself (.xls or .xlsx). Worksheet or Sheet […]

Python 101: An Intro to Working with JSON

September 15, 2020 by Mike
JavaScript Object Notation, more commonly known as JSON, is a lightweight data interchange format inspired by JavaScript object literal syntax. JSON is easy for humans to read and write. It is also easy for computers to parse and generate. JSON is used for storing and exchanging data in much the same way that XML is […]
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