Traverse a list in reverse order in Python

Use the built-in reversed() function: To also access the original index, use enumerate() on your list before passing it to reversed(): Since enumerate() returns a generator and generators can’t be reversed, you need to convert it to a list first.

How to iterate over a JavaScript object?

For most objects, use for .. in : With ES6, if you need both keys and values simultaneously, do To avoid logging inherited properties, check with hasOwnProperty : You don’t need to check hasOwnProperty when iterating on keys if you’re using a simple object (for example one you made yourself with {}). This MDN documentation explains more generally how to deal with objects … Read more

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