![]() Now that you know the purpose, syntax, and effect of the append() method, let's see some examples of its use with various data types. You can confirm that the return value of append() is None by assigning this value to a variable and printing it: > musical_notes = The last element is now "B" and the original list is now the modified version. You can see (below) that the original list was modified after appending the element. ![]() In our previous example: > musical_notes = ![]() Therefore, just by calling this method you are modifying the original list. It doesn't return a new copy of the list as we might intuitively think, it returns None. This method mutates (changes) the original list in memory. Then, using this variable we call the append() method, passing the element that we want to append (the string "B") as argument.First, the list is defined and assigned to a variable.This is an example of a call to append(): > musical_notes = □ Tip: The first element of the syntax (the list) is usually a variable that references a list. This element can be of any data type:īasically, any value that you can create in Python can be appended to a list. When we call a method, we use a dot after the list to indicate that we want to "modify" or "affect" that particular list.Īs you can see, the append() method only takes one argument, the element that you want to append. □ Tip: The dot is very important since append() is a method. This is the basic syntax that you need to use to call this method: □ Tip: To add a sequence of individual elements, you would need to use the extend() method. Here you can see the effect of append() graphically: With this method, you can add a single element to the end of a list. You will find examples of the use of append() applied to strings, integers, floats, booleans, lists, tuples, and dictionaries. How it can be equivalent to insert() and string slicing with the appropriate arguments.This is a powerful list method that you will definitely use in your Python projects. Hi! If you want to learn how to use the append() method, then this article is for you.
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