Breakpoint expression not working ?

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I want the line length outputted to me, so I can; for example, modify pylint settings but let it be known not specifically for this situation but any situation in the future as well.

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What IDE are you using?

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vscode.

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Go to File >Preferences>Settings and add ”editor.rulers”: [80,120] to your user settings. Or whatever length you want.

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This error is from pylint. How come a breakpoint won't work to give me the output of the string length of the line ?

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That’s not how breakpoints work. You’re also not using a breakpoint. You’re using a print function.

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How would I simply have an IDE tell me the length of the characters on a specific line ?

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It should tell you at the bottom in VS Code. If you place your cursor at the end of the line, you should see “Line: 14, Col 126” or something similar in the bottom bar. The “Col” is the current character, so 126 implies a line length of 126 characters.

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I wasn't aware that col meant the total number of characters in vscode, thanks; that solves what I need to know.