append and extend python
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lists are a fundamental data structure in python, and they provide a flexible way to store and manipulate collections of items. two commonly used methods for adding elements to a list are append and extend. in this tutorial, we'll explore the differences between these two methods and provide code examples to illustrate their usage.
the append method is used to add a single element to the end of a list. it takes one argument, which is the element you want to add. here's the syntax:
output:
in this example, the append method adds the element 'grape' to the end of the fruits list.
the extend method is used to add elements from an iterable (e.g., another list, tuple, or string) to the end of the calling list. it takes a single argument, which is the iterable containing the elements to be added.
output:
in this example, the extend method adds the elements from the additional_vegetables list to the end of the vegetables list.
single element vs. iterable:
in-place modification:
return value:
understanding the difference between append and extend is crucial for effective list manipulation in python. choose the appropriate method based on whether you want to add a single element or multiple elements from an iterable to the end of a list.
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