What is Keyworded Variable Length Arguments | EP-45 Arbitrary Keyword Arguments | Python Tutorials

Published: 01 October 2024
on channel: Cybrosys Technologies

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Types of Python Function Arguments

"""Arbitrary arguments (variable-length arguments *args and **kwargs)
We use the “wildcard” or “*” notation like this – *args OR **kwargs – as our function’s argument when we have doubts about the number of arguments we should pass in a function.
Special Symbols Used for passing arguments in Python:

*args (Non-Keyword Arguments)
**kwargs (Keyword Arguments)
"""
What is Python *args?
"""Stands for "arguments.Allows you to pass an arbitrary number of positional arguments to a function.The arguments are collected into a tuple inside the function."""
def greet(*names):
for name in names:
print("Hello, " + name + "!")

greet("Alice", "Bob", "Charlie")

def class10(grade, *names):
print("Class10 :", grade)
for name in names:
print("name of students :", name)
print(type(names))

class10('Hello', 'Anju', 'Manju')

What is Python **kwargs?
"""Stands for "keyword arguments."
Allows you to pass an arbitrary number of keyword arguments to a function.The arguments
are collected into a dictionary inside the function."""
def print_info(**person):
print("Name:", person["name"])
print("Age:", person["age"])
print("City:", person["city"])
print(type(person))

print_info(name="Alice", age=30, city="New York")

Using both *args and **kwargs in Python to call a function
def my_function(*args, **kwargs):
print("Positional arguments:", args)
print("Keyword arguments:", kwargs)

my_function(1, 2, 3, x=4, y=5)

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