You can remove duplicates in Python using the Pandas library by using the drop_duplicates() function. Syntax for drop_duplicate() DataFrame.drop_duplicates(subset=None, keep='first', inplace=False ...

The function set() will convert an item to a set. A set is similar to a list, but all values must be unique. Converting a list to a set removes all duplicate values. We then convert it back to a list ...

The line nums[j] = nums[i] plays an essential role in this function. It's not immediately obvious when you're only returning j, but remember, the problem's requirements are two-fold: By the end of the ...