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Single-Line Comments You can use it before the code or next to the code. The example depicted below shows the use of comments in both ways. PEP8, Python Style Guide, recommends using less than 79 characters in a single-line comment to make it easier to read.

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There is little agreement about the exact meaning of these terms or the best way to measure LOC to get an accurate picture of an application's size. Some LOC counts include comments and blank lines (white space), and some do not. Others might include comments but not blank lines, or vice versa.

The rules of comments are: When a comment is short and can be accommodated in a single line, it is started with a double slash (//)sequence in the program's first line. When there are multiple lines in a comment, it is enclosed between the two symbols /* and */. The compiler ignores everything between /* and */.

Inline comments come at the end of a line of code. There are two main reasons to use an inline comment: #1 If a variable has been defined but the reason for using a specific object is unclear, you can use an inline comment to justify your decision.

/* */ (multiline comment) Multiline comments are used for large text descriptions of code or to comment out chunks of code while debugging applications. Comments are ignored by the compiler.

Commenting is the "art" of describing what your program is going to do in "high level" English statements. Commenting is best done before actually writing the code for your program. Comments are specially marked lines of text in the program that are not evaluated.

They are usually marked by specific symbols or keywords like //, #, or ; depending on the programming language. Single-line comments should ideally be placed above or at the end of the line of code they refer to.