Sets in Python ... {1,2,3,4,5} (Note that the original list is preserved.) This is far faster than iterating through the list and testing for duplicates manually. You can also do this for any ...

Python 2 is no longer supported by the Python Software Foundation. Here’s what you can do if you’re stuck with Python 2 in what is fast becoming a Python 3 world As of January 1, 2020 ...