How do you add a comment to existing python script

Python Tutorials → In-depth articles and video courses Learning Paths → Guided study plans for accelerated learning Quizzes → Check your learning progress Browse Topics → Focus on a specific area or skill level Community Chat → Learn with other Pythonistas Office Hours → Live Q&A calls with Python experts Podcast → Hear what’s new in the world of Python Books → Round out your knowledge and learn offline Unlock All Content → • Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Running Python Scripts One of the most important skills you need to build as a Python developer is to be able to run Python scripts and code. This is going to be the only way for you to know if your code works as you planned. It’s even the only way of knowing if your code works at all! This step-by-step tutorial will guide you through a series of ways to run Python scripts, depending on your environment, platform, needs, and skills as a programmer. You’ll have the opportunity to learn how to run Python scripts by using: • The operating system command-line or terminal • The Python interactive mode • The IDE or text editor you like best • The file manager of your system, by double-clicking on the icon of your script This way, you’ll get the knowledge and skills you’ll need to make your development cycle more productive and flexible. Take the Quiz: Test your knowledge with our interactive “How to Ru...

Watch Now This tutorial has a related video course created by the Real Python team. Watch it together with the written tutorial to deepen your understanding: Writing Comments in Python When writing code in Python, it’s important to make sure that your code can be easily understood by others. Giving Another awesome and easy way to increase the readability of your code is by using comments! In this tutorial, you’ll cover some of the basics of writing comments in Python. You’ll learn how to write comments that are clean and concise, and when you might not need to write any comments at all. You’ll also learn: • Why it’s so important to comment your code • Best practices for writing comments in Python • Types of comments you might want to avoid • How to practice writing cleaner comments Free Bonus: Why Commenting Your Code Is So Important Comments are an integral part of any program. They can come in the form of module-level docstrings, or even inline explanations that help shed light on a complex function. Before diving into the different types of comments, let’s take a closer look at why commenting your code is so important. Consider the following two scenarios in which a programmer decided not to comment their code. Remove ads When Reading Your Own Code Client A wants a last-minute deployment for their web service. You’re already on a tight deadline, so you decide to just make it work. All that “extra” stuff—documentation, proper commenting, and so forth—you’ll add that late...

You can use triple-quoted strings. When they're not a docstring (the first thing in a class/function/module), they are ignored. ''' This is a multiline comment. ''' (Make sure to indent the leading ''' appropriately to avoid an IndentationError.) However, Python's style guide, PEP8, # This is a multiline # comment. ...and this is also what you'll find in many projects. Text editors usually have a shortcut to do this easily. Python does have a generate no bytecode -- just like #-prepended comments. In effect, it acts exactly like a comment. On the other hand, if you say this behavior must be documented in the official documentation to be a true comment syntax, then yes, you would be right to say it is not guaranteed as part of the language specification. In any case, your text editor should also be able to easily comment-out a selected region (by placing a # in front of each line individually). If not, switch to a text editor that does. Programming in Python without certain text editing features can be a painful experience. Finding the right editor (and knowing how to use it) can make a big difference in how the Python programming experience is perceived. Not only should the text editor be able to comment-out selected regions, it should also be able to shift blocks of code to the left and right easily, and it should automatically place the cursor at the current indentation level when you press Enter. Code folding can also be useful. To protect against link decay, here is th...

In this article APPLIES TO: v1 In this article, you learn how to configure and submit Azure Machine Learning jobs to train your models. Snippets of code explain the key parts of configuration and submission of a training script. Then use one of the When training, it is common to start on your local computer, and then later scale out to a cloud-based cluster. With Azure Machine Learning, you can run your script on various compute targets without having to change your training script. All you need to do is define the environment for each compute target within a script job configuration. Then, when you want to run your training experiment on a different compute target, specify the job configuration for that compute. Prerequisites • If you don't have an Azure subscription, create a free account before you begin. Try the • The • An ws • A compute target, my_compute_target. What's a script run configuration? A You submit your training experiment with a ScriptRunConfig object. This object includes the: • source_directory: The source directory that contains your training script • script: The training script to run • compute_target: The compute target to run on • environment: The environment to use when running the script • and some additional configurable options (see the Train your model The code pattern to submit a training job is the same for all types of compute targets: • Create an experiment to run • Create an environment where the script will run • Create a ScriptRunConfig,...

Comments are lines that exist in computer programs that are ignored by compilers and interpreters. Using comments in programs can make code more readable for humans, as it provides some information or explanation about what each part of a program is doing. Depending on the purpose of your program, comments can serve as notes to yourself or reminders, or they can be written with the intention of other programmers being able to understand what your code is doing. In general, it is a good idea to write comments while you are writing or updating a program as it is easy to forget your thought process later on, and comments written later may be less useful in the long term. You should have Python 3 installed and a programming environment set up on your computer or server. If you don’t have a programming environment set up, you can refer to the installation and setup guides for a Comments in Python begin with a hash mark ( #) and whitespace character and continue to the end of the line. Info: To follow along with the example code in this tutorial, open a Python interactive shell on your local system by running the python3 command. Then you can copy, paste, or edit the examples by adding them after the >>> prompt. Generally, comments will look something like this: # This is a comment Because comments do not execute, when you run a program you will not see any indication of the comment there. Comments are in the source code for humans to read, not for computers to execute. In a “He...

June 7, 2023 Franck Nijhof • • Home Assistant Core 2023.6! 🎉 Get ready for a classic, old-fashioned, jam-packed release! 🤯 I am excited about so many things being shipped in this release that it is hard to pick a favorite 😅 This release has it all. Being able to directly use and back up my Home Assistant configuration to my network storage is absolutely incredible! But I also really enjoy the new and clean integrations dashboard and pages. The feature that greatly improved the Home Approval Factor in my household is definitely the addition of the new favorite colors in the light dialogs 🎨 Enjoy the release! ../Frenck • • • • • • • • • • • • • • • • • • • Don’t forget to Do you have a network storage in your home? Like a QNAP or Synology NAS? This release adds the ability to add and use that storage with Home Assistant! This long and highly requested feature is now available when running the Home Assistant Operating System. In the Settings> System> Storage menu, you can now find a whole new set of controls to connect to your storage and use it to, for example, use your network share as a media source in Home Assistant. Even better: You can use it as a target for your backups so that when Home Assistant creates a backup for you, it will store it directly on your network storage. Multiple network storages are also supported; if you like, you can easily add more. The integrations dashboard has gotten a major overhaul! There have been quite some usability issues with the previo...

Comments describe what is happening inside a program so that a person looking at the source code does not have difficulty figuring it out. In this article, you’ll learn: • How to add comments in your Python code • The need for the comments • What are the inline comments, block comments, and multi-line comments • The use of docstring comments. Table of contents • • • • • • • • • • What is Comment in Python? The comments are descriptions that help programmers to understand the functionality of the program. Thus, comments are necessary while writing code in Python. In Python, we use the hash ( #) symbol to start writing a comment. The comment begins with a hash sign ( #) and whitespace character and continues to the end of the line. Many programmers commonly use Python for task automation, data analysis, and data visualization. Also, Python has been adopted by many non-programmers such as analysts and scientists. In a team, many programmers work together on a single application. Therefore, if you are developing new code or modifying the existing application’s code, it is essential to describe the purpose behind your code using comments. For example, if you have added new functions or classes in the source code, describe them. It helps other colleagues understand the purpose of your code and also helps in code review. Apart from this, In the future, it helps to find and fix the errors, improve the code later on, and reuse it in many different applications. Writing comments is ...

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