How to Python Archives - Page 2 of 2

Series: How to Python

The How to Python tutorial series strays from the usual in-depth coding articles by exploring byte-sized problems in Python. In this series, students will dive into unique topics such as How to Invert a Dictionary, How to Sum Elements of Two Lists, and How to Check if a File Exists.

Each problem is explored from the naive approach to the ideal solution. Occasionally, there’ll be some just-for-fun solutions too. At the end of every article, you’ll find a recap full of code snippets for your own use. Don’t be afraid to take what you need!

If you have a problem of your own, feel free to ask. Someone else probably has the same problem. Enjoy How to Python!

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How to Check if a File Exists in Python

As a high-level language, Python can easily interact with the file system. In fact, if you want to check if a file exists, Python has you covered.

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How to Sum Elements of Two Lists in Python

What should you do when you have two lists and you want to add each pair of elements? As it turns out, it’s easier than you think to sum elements of two lists.

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How to Invert a Dictionary in Python

Ever needed to invert a dictionary in Python? Look no further than this brief article which details three different ways to invert a dictionary.