In Visual Studio, what tool/function in the code editor helps you identify a problem with your code?

Error and warning marks

Explanation:

In Visual Studio, one of the features that allows you to identify a problem with your code is the "error and warning marks" feature. This feature identifies mistakes through the use of squiggles (wavy lines) and light bulbs. Moreover, these marks appear in different colors depending on the type of error that they are marking.

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