How-to articles, tricks, and solutions about DUPLICATES

How do I find the duplicates in a list and create another list with them?

In Python, one way to find duplicates in a list and create another list with them is to use a for loop and an if statement.

How do I remove repeated elements from ArrayList?

To remove repeated elements from an ArrayList in Java, you can use the removeAll method and pass it a Collection containing the elements to be removed.

Removing duplicates in lists

There are a few ways to remove duplicates from a list in Python.