Introduction to *args and **kwargs in Python
In Python, *args and **kwargs are special syntaxes used in function definitions to pass a variable number of arguments. They are used when you are unsure about the number of arguments to be passed in a function.
Understanding *args
*args is used to pass non-keyworded, variable-length argument lists. It allows you to pass any number of positional arguments to the function. Here is an example:
def function(*args): for i in args: print(i) function(1, 2, 3, 4)Understanding **kwargs
**kwargs allows you to pass keyworded, variable-length argument lists. It allows you to pass any number of keyword arguments to the function. Here is an example:
def function(**kwargs): for key, value in kwargs.items(): print('%s: %s' % (key, value)) function(name='John', age=25)Benefits of *args and **kwargs
Using *args and **kwargs in function definitions provides flexibility and enhances code readability. It allows you to write more versatile functions and makes your code more Pythonic.
Conclusion
In conclusion, *args and **kwargs are powerful tools in Python that allow you to pass a variable number of arguments to a function. They provide flexibility and enhance code readability, making your code more versatile and Pythonic.