The order of operations in an expression is extremely important to understand. With more complex expressions, operator precedence isn't always extremely straightforward and if not used correctly leads to unexpected values.
Rounding numbers in Python is quite common. There might be a situation where values must only be rounded to 3 decimals or some arbitrary number. Using the built-in function round() is handy but changes the original value.
To create a Node.js application, you need a web server, a request, a router, and request handlers. Frameworks like Express.js speed up development by providing a robust set of features to build web applications and APIs.
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