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How to Python - Source Code

Welcome to a collection of Jupyter Notebooks from the How to Python series on The Renegade Coder. For convenience, you can access all of the articles, videos, challenges, and source code below. Alternatively, I keep an enormous article up to date with all these snippets as well.

Index Title Publish Date Article Video Challenge Notebook Testing
1 How to Empty a List in Python: Clear(), Del, and More! Fri, 23 Apr 2021 14:00:00 +0000 Article Video Challenge Test
2 How to Capitalize a String in Python: Upper(), Capitalize(), And More Fri, 15 Jan 2021 15:00:00 +0000 Article Video Challenge Test
3 How to Convert an Integer to a String in Python: Type Casting and f-Strings Mon, 16 Nov 2020 15:00:00 +0000 Article Challenge Test
4 How to Plot a Line Using Matplotlib in Python: Lists, DataFrames, and More Fri, 09 Oct 2020 14:00:00 +0000 Article
5 How to Swap Variables in Python: Temporary Variables and Iterable Unpacking Mon, 05 Oct 2020 14:00:00 +0000 Article
6 How to Open a File in Python: open(), pathlib, and More Fri, 24 Jul 2020 14:00:00 +0000 Article Challenge
7 How to Remove Duplicates From a List in Python: Sets, Dicts, and More Mon, 20 Jul 2020 14:00:00 +0000 Article Challenge
8 How to Iterate Over Multiple Lists at the Same Time in Python: Zip() and More! Fri, 10 Jul 2020 14:00:00 +0000 Article Challenge
9 How to Check If a Key Exists in a Dictionary in Python: in, get(), and More Fri, 26 Jun 2020 14:00:00 +0000 Article Challenge
10 How to Loop Over a Dictionary in Python: Keys, Values, and More Fri, 12 Jun 2020 14:00:00 +0000 Article Notebook
11 How to Split a String by Whitespace in Python: Brute Force and split() Fri, 17 Apr 2020 14:00:00 +0000 Article
12 How to Convert a String to Lowercase in Python: lower() and More Mon, 30 Mar 2020 14:00:00 +0000 Article
13 How to Round a Number in Python: Truncation, Arithmetic, and More Mon, 23 Mar 2020 14:00:00 +0000 Article Challenge
14 How to Create a List in Python: Loops, Comprehensions, and More Mon, 16 Mar 2020 14:00:00 +0000 Article Challenge
15 How to Compute Absolute Value in Python: Control Flow, Abs(), and More Fri, 13 Mar 2020 14:00:00 +0000 Article Challenge
16 How to Obfuscate Code in Python: A Thought Experiment Mon, 09 Mar 2020 14:00:00 +0000 Article
17 How to Increment a Number in Python: Operators, Functions, and More Fri, 06 Mar 2020 15:00:00 +0000 Article Challenge
18 How to Brute Force Sort a List in Python: Bubble, Insertion, and Selection Mon, 02 Mar 2020 15:00:00 +0000 Article
19 How to Compare Strings in Python: Equality and Identity Fri, 14 Feb 2020 15:00:00 +0000 Article Video
20 How to Write a Loop in Python: While and For Mon, 27 Jan 2020 15:00:00 +0000 Article Notebook
21 How to Comment Code in Python: Inline, Multiline, and Docstring Fri, 17 Jan 2020 15:00:00 +0000 Article Video
22 How to Add an Item to a List in Python: Append, Slice Assignment, and More Fri, 10 Jan 2020 15:00:00 +0000 Article
23 How to Check if a String Contains a Substring in Python: In, Index, and More Mon, 06 Jan 2020 06:40:00 +0000 Article Challenge
24 How to Perform a Reverse Dictionary Lookup in Python: Generator Expressions and More Fri, 03 Jan 2020 15:00:00 +0000 Article
25 How to Performance Test Python Code: timeit, cProfile, and More Mon, 02 Dec 2019 15:00:00 +0000 Article
26 How to Print on the Same Line in Python: Print and Write Fri, 13 Sep 2019 14:00:23 +0000 Article
27 How to Format a String in Python: Interpolation, Concatenation, and More Fri, 06 Sep 2019 14:00:11 +0000 Article Video
28 How to Merge Two Dictionaries in Python: Comprehensions, Unpacking, and the Union Operator Fri, 07 Jun 2019 14:00:13 +0000 Article
29 How to Write a List Comprehension in Python: Modifying and Filtering Fri, 03 May 2019 14:00:58 +0000 Article Video Notebook
30 How to Sort a List of Dictionaries in Python: Sort and Sorted Mon, 25 Mar 2019 14:00:09 +0000 Article
31 How to Parse a Spreadsheet in Python: CSV Reader and DictReader Mon, 04 Mar 2019 15:00:18 +0000 Article
32 How to Sort a List of Strings in Python: Sort, Sorted, and More Fri, 07 Dec 2018 15:00:12 +0000 Article
33 How to Make a Python Script Shortcut with Arguments: Batch, Bash, and More Mon, 09 Apr 2018 14:00:53 +0000 Article
34 How to Get the Last Item of a List in Python: Iterable Unpacking and More Wed, 14 Mar 2018 14:00:32 +0000 Article Video
35 How to Copy a List in Python: Slice, Copy, and More Thu, 08 Mar 2018 15:00:50 +0000 Article Video
36 How to Check if a List is Empty in Python: Type Flexibility and More Wed, 07 Mar 2018 15:00:41 +0000 Article Video
37 How to Convert Two Lists into a Dictionary in Python: Zip, Comprehensions, and Loops Thu, 01 Mar 2018 16:42:08 +0000 Article Video
38 How to Check if a File Exists in Python: Try/Except, Path, and IsFile Sat, 17 Feb 2018 16:16:00 +0000 Article
39 How to Sum Elements of Two Lists in Python: Comprehensions and More Sat, 09 Dec 2017 23:21:21 +0000 Article Video
40 How to Invert a Dictionary in Python: Comprehensions, Defaultdict, and More Mon, 04 Dec 2017 19:55:17 +0000 Article Video