Exclamation mark: In this article, you will learn what an exclamation mark is and the various ways an exclamation mark can be used along with examples. Go through the article and try working on the practice questions.
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When using the exclamation mark (!) in code it is the same as saying not in English. Okay, that is good to know, right? But why? A exclamation mark (!) negates an expression. This comes from boolean algebra where we have AND, OR and NOT operators. So this helps us when ...