Should you write comments in code?

Good comments compliment your code, while bad ones pull readers away from the main points. Before putting any comments, ask yourself whether it would serve any purposes rather than distract people from comprehending your program. Good codes have rhythm while mediocre codes have a lot of pauses.

What is a comment used for in your code?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

What should I comment on code?

Code Comments: 4 Best Practices

1. Make use of code annotations or tags. Many programming languages define standards for code commenting.
2. Write down why you are doing something. Many developers use a comment to describe what their code is doing.
3. Don’t refer to other documents or comments.
4. Write comments while writing code.

How do you comment code in Python?

A comment in Python starts with the hash character, # , and extends to the end of the physical line. A hash character within a string value is not seen as a comment, though. To be precise, a comment can be written in three ways – entirely on its own line, next to a statement of code, and as a multi-line comment block.

How are comments written in a program in Python?

Comment Syntax Comments in Python begin with a hash mark ( # ) and whitespace character and continue to the end of the line.

How do you comment HTML code?

An HTML comment begins with –– and the comment closes with ––> . HTML comments are visible to anyone that views the page source code, but are not rendered when the HTML document is rendered by a browser.

How do you write comments in HTML?

To write HTML comments put — and —> at either end of the comment. HTML comments are notes to keep HTML code organized and are ignored by the browser.

How do you comment out a class in Python?

How to Write Comments in Python?

1. Python comments start with the # character and extend to the end of the line.
2. We can start a comment from the start of the line, after some whitespaces or code.
3. If the hash character is present in a string literal, it’s part of the string.

How do you comment out a paragraph in Python?

To comment code in Python, write the “#”(octothorpe) at every new code line. It tells the Python compiler to ignore its execution and go to the next line. Comments start with a #, and the Python compiler will ignore its execution. In the above example, we commented on the code using the # sign.

Why are comments important in HTML?

Generally, HTML comments are for you or other developers who might be looking at the source code. Their purpose is to help the author of the code and other developers understand it better. Using HTML comments, you can explain your choices to a colleague reviewing your code or even debug a program quicker.

What are the best practices for commenting your code?

5 Best Practices for Commenting Your Code 1 (1) Comments are not subtitles 2 (2) Comments are not an art project 3 (3) Header Blocks: Nuisance or Menace? 4 (4) Comments are not source control 5 (5) Comments are a code smell More

Why is it important to comment on functions in programming?

So, the well commented functions/logics are helpful to other programmers to understand the code better. They can easily understand the logic behind solving any problem. If you see/edit code later, comments may help you to memorize your logic that you have written while writing that code.

What happens when you add a comment to code?

In plain English, when you add a comment you are admitting that you have written code that doesn’t communicate its purpose well. Sign:”This is a mop sink.” Why would that be necces… oh. Despite what your prof told you in college, a high comment to code ratio is not a good thing.

What is the use of documentation comment?

Documentation Comments This type of comments are used generally when writing code for a project/software package, since it helps to generate a documentation page for reference, which can be used for getting information about methods present, its parameters, etc.