Leaving code comments might sometimes help clarify your code. There are 3 unofficial comment types in Python. A “block comment”: An “inline comment”: A “multi-line” comment that misuses a docstring: Commenting Code in Python To add a comment in Python, use the hashtag operator # before starting to type the comment. Before digging into the […]

To read a text file in Python: For example, let’s read a text file called example.txt from the same folder of the code file: Now the lines variable stores all the lines from example.txt as a list of strings. This is the quick answer. To learn more details about reading files in Python, please read

In Python, you can write to a text file by following these three steps: You can skip the last step by using the with statement. For example: This piece of code creates a new file called example.txt and writes “Hello World” into it. In this guide, you are going to learn the basics of writing

To pretty-print JSON in Python: For example: Where: Here is an illustration of what pretty printing does to JSON objects: In this guide, you learn why JSON is usually unreadable and how to use pretty printing to fix the problem. You will also see some common examples when pretty-printing. Before learning how to pretty-print JSON,

Formatted string or F-string in Python makes it possible to insert variables into strings in a handy and readable way. For example: Output: Let’s compare this to the old-school approach using the format() method: The f-string is more convenient especially when the number of embedded variables is big. This is a comprehensive guide to using