Home >Backend Development >Python Tutorial >How Can Python's * Operator Unpack Tuples as Function Arguments?

How Can Python's * Operator Unpack Tuples as Function Arguments?

Susan Sarandon
Susan SarandonOriginal
2024-12-11 05:29:17891browse

How Can Python's * Operator Unpack Tuples as Function Arguments?

Expanding Tuples into Arguments

Python's * operator allows us to unpack tuples (or any iterable) and pass them as positional arguments to a function. This can be useful when dealing with functions that require a specific number of arguments or when we want to call a function with a predefined set of values.

For example, consider the function myfun below:

def myfun(a, b, c):
    return (a * 2, b + c, c + b)

Suppose we have a tuple some_tuple = (1, "foo", "bar") and want to use it to call myfun. We can do this by using the * operator as follows:

result = myfun(*some_tuple)

This will unpack the elements of some_tuple and pass them to myfun as positional arguments. The resulting tuple result will be (2, "foobar", "barfoo").

This technique can be particularly useful when working with functions that have a variable number of arguments, as it allows us to pass a list or tuple of values as a single argument. Additionally, it can help improve code readability and reduce the need for excessive argument passing.

The above is the detailed content of How Can Python's * Operator Unpack Tuples as Function Arguments?. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn