Here’s what you need to know. How to reverse a string in Python using slicing The first way to reverse a string, is to use a slice that steps backward. Slices in Python let you return chunks of ...

In Python, a list is a variable that stores multiple other variables. This is useful if you ever need to store a list of contacts, a list of options, or anything else in your app. Check out our ...

you’re best off using NumPy’s “broadcasting” functions—ways to execute operations across a whole array, or a slice, without looping in Python. Again, this is so all the performance ...