Python list.append() function
The list.append()
method in Python is used to add a single element to the end of a list. It modifies the original list in place and does not return a new list. This method is a convenient way to grow a list dynamically.
Syntax
- Parameters:
element
: The item to be added to the end of the list. This can be any data type, including numbers, strings, lists, or even objects.
Return Value
- The method does not return a value (
None
is returned implicitly).
Example Usage
Appending a Single Element:
Appending Different Data Types:
Appending a List as a Single Element: When you append a list to another list, the entire list is added as a single element:
Using
append()
in a Loop: You can useappend()
in a loop to build a list:Appending None: You can also append
None
, which can be useful for initializing or signaling:
Summary
list.append()
is a simple and efficient way to add an element to the end of a list in Python.- It can accept various data types, including other lists, allowing for flexible data structures.
- The method modifies the list in place, making it a common choice for dynamically constructing lists.