Which functions should not use a return statement?

Void (NonValue-Returning) functions: In lieu of a data type, void functions use the keyword “void.” A void function performs a task, and then control returns back to the caller–but, it does not return a value. You may or may not use the return statement, as there is no return value.

Do all functions need a return statement?

Regardless of how long and complex your functions are, any function without an explicit return statement, or one with a return statement without a return value, will return None .

What is the use of return statement in a function?

A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function.

Why return is used in function?

The return statement causes your function to exit and hand back a value to its caller. The point of functions in general is to take in inputs and return something. The return statement is used when a function is ready to return a value to its caller.

Why is return statement used in a function?

When a return statement is used in a function body, the execution of the function is stopped. If specified, a given value is returned to the function caller. For example, the following function returns the square of its argument, x , where x is a number.

What will happen if a return statement does not have an associated expression?

What will happen if a return statement does not have an associated expression? Explanation: A function without a return statement will return a default value. If the return statement does not have an associated expression then it returns an undefined value.

What will be the return type of function if the function is not returning anything?

If function is not returning any values we use void as return type.

When should you use a return statement?

A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function. For more information, see Return type.

What happens when a return statement is used in a function?

When a return statement is used in a function body, the execution of the function is stopped. If specified, a given value is returned to the function caller.

Why is there no return statement in void return type function?

Not using return statement in void return type function: When a function does not return anything, the void return type is used. So if there is a void return type in the function definition, then there will be no return statement inside that function (generally).

Can you use return statement outside of a function in Python?

When you use return outside a function or method, you get a SyntaxError telling you that the statement can’t be used outside a function. Note: Regular methods, class methods, and static methods are just functions within the context of Python classes. So, all the return statement concepts that you’ll cover apply to them as well.

Is it possible to skip the return statement in a function?

The return statement can be skipped only for void types. Not using return statement in void return type function: When a function does not return anything, the void return type is used.