Question: How Are Comments Written In A Program?

How are comments written in a program in Python?

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

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..

What is the use of comments?

Comments are text notes added to the program to provide explanatory information about the source code. They are used in a programming language to document the program and remind programmers of what tricky things they just did with the code and also helps the later generation for understanding and maintenance of code.

Should code have comments?

A handy rule of thumb is: a comment should only be added to answer a question that the code can’t. If you aren’t confused by what a piece of code is doing, but rather why it’s doing it at that moment, then a comment should be added.

What contain detailed comments about something in text?

Answer: The comment line contains detailed comments about something regarding the text. … Firstly, the single-line comment line and secondly multilevel comment line. Comment lines are sometimes referred to as programmer readable explanations of a program.

What programming language uses for comments?

Since both BASIC and FORTRAN used single lines for their statements, it is not surprising they used the same convention for comments. With these full-line comments, they are used on separate lines before or after code that needs to be commented.

What is comment give an example?

1. A comment is text in a program’s code, script, or another file that is not meant to be seen by the user running the program. … Comments help make code easier to understand by explaining what is happening and help prevent portions of a program from executing. The image is an example of an HTML comment.

How do you comment multiple lines in VS code?

To do so, just click on the settings icon in the bottom left of the screen and click ‘Keyboard Shortcuts’ and find “toggle block…”. Then click and enter your desired combination. The keyboard shortcut to comment multiple in Windows is shift + alt + A .

How do you insert a single line and multiline comment in Python?

Unlike other programming languages Python doesn’t support multi-line comment blocks out of the box. The recommended way to comment out multiple lines of code in Python is to use consecutive # single-line comments. This is the only way to get “true” source code comments that are removed by the Python parser.

What is the purpose of comment in a program?

Commenting involves placing Human Readable Descriptions inside of computer programs detailing what the Code is doing. Proper use of commenting can make code maintenance much easier, as well as helping make finding bugs faster. Further, commenting is very important when writing functions that other people will use.

How do you comment out code?

In the C/C++ editor, select multiple line(s) of code to comment out. To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ ) To uncomment multiple code lines right-click and select Source > Remove Block Comment.

Which character is used in Python to make a single line comment?

Single line comment In python we use # special character to start the comment.

What are comments?

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 are the different types of comments?

Seven types of comments emerge: directive, evaluative, advisory, interpretive, descriptive, directive questions (Socratic), and open-ended questions (discovery). The comments of beginners tended to be directive, evaluative, and/or advisory.

What is the most difficult part of programming?

The 9 Hardest Things Programmers Have to DoNaming things.Explaining what I do (or don’t do. … Estimating time to complete tasks. … Dealing with other people. … Working with someone else’s code. … Implementing functionality you disagree with. … Writing documentation. … Writing tests. … More items…•

What are the 4 types of programming language?

The different types of programming languages are discussed below.Procedural Programming Language. … Functional Programming Language. … Object-oriented Programming Language. … Scripting Programming Language. … Logic Programming Language. … C++ Language. … C Language. … Pascal Language.More items…•