Enpatika

In this called function, no argument is defined with the “Optional” keyword, so when an argument is not passed in the calling function, we see the error message “Argument not Optional.” In order to resolve this, we need to either pass the parameter in the calling function or mark the rollno argument as optional .

What are Optional Parameters? By definition, an Optional Parameter is a handy feature that enables programmers to pass less number of parameters to a function and assign a default value .

What are Optional Parameters? By definition, an Optional Parameter is a handy feature that enables programmers to pass less number of parameters to a function and assign a default value .

You can define Python function optional arguments by specifying the name of an argument followed by a default value when you declare a function . You can also use the **kwargs method to accept a variable number of arguments in a function. To learn more about coding in Python, read our How to Learn Python guide.

You can define Python function optional arguments by specifying the name of an argument followed by a default value when you declare a function . You can also use the **kwargs method to accept a variable number of arguments in a function. To learn more about coding in Python, read our How to Learn Python guide.