This method adds the specified list elements (or any iterable) to the end of the current list

The method you are referring to is likely the extend() method in Python. This method is used to append elements from an iterable (like a list, tuple, or set) to the end of an existing list.

Explanation of the extend() Method:

1. Functionality: The extend() method takes an iterable as an argument and adds each of its elements to the end of the list on which it is called. This modifies the original list in place.

2. Syntax:

   list.extend(iterable)
   

3. Example:

   my_list = [1, 2, 3]
   my_list.extend([4, 5, 6])
   print(my_list)  # Output: [1, 2, 3, 4, 5, 6]
   

4. Use Cases: This method is particularly useful when you need to combine multiple lists or add a sequence of items to an existing list without creating a nested list (which would happen if you used the append() method).

In summary, the extend() method provides a straightforward way to expand a list in Python, allowing for efficient addition of multiple elements at once.