Why should we write return at end of function?

return is a keyword which is used to return some value from a function. It indicates that our program has been run successfully and we terminate our main function with this return statement.

Does return have to be at the end of function?

Answer. That does not always have to be the case, but usually, a return statement is the last line of code in a function since it should be run last. The reason for this is because of how a return statement works.

What is the end of the main function?

The main function serves as the starting point for program execution. It usually controls program execution by directing the calls to other functions in the program. A program usually stops executing at the end of main, although it can terminate at other points in the program for a variety of reasons.

What is the purpose of a return statement in a function Mcq?

Solution(By Examveda Team) The return statement causes the function to stop executing and to return the value of its expression (if any) to the caller.

Is it necessary to have one return statement in a function?

Answer: Explanation: True, A function may have any number of return statements each returning different values and each return statements will not occur successively.

Does main need a return statement?

In a main function, the return statement and expression are optional. What happens to the returned value, if one is specified, depends on the implementation. Microsoft-specific: The Microsoft C implementation returns the expression value to the process that invoked the program, such as cmd.exe .

Why do we use return in C++?

The return statement returns the flow of the execution to the function from where it is called. This statement does not mandatorily need any conditional statements. As soon as the statement is executed, the flow of the program stops immediately and return the control from where it was called.

What is the purpose of the 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.

What does a function return in Python?

In general, a function takes arguments (if any), performs some operations, and returns a value (or object). The value that a function returns to the caller is generally known as the function’s return value. All Python functions have a return value, either explicit or implicit.

What does return do in a function Python?

A return statement is used to end the execution of the function call and “returns” the result (value of the expression following the return keyword) to the caller. The statements after the return statements are not executed. If the return statement is without any expression, then the special value None is returned.

What is the purpose of the return statement in a function?

This answer goes over some of the cases that have not been discussed above. The return statement allows you to terminate the execution of a function before you reach the end. This causes the flow of execution to immediately return to the caller.

What does the return value at the end of main mean?

The return at the end of main is the value that is returned to the calling environment (typically the command shell) and it can be used to represent successful completion of the program (by return 0), or return an error code to the calling environment in case of program error. If you leave the return off at the end of main, a return 0; is assumed.

What is return statement in C++ with example?

return statement in C/C++ with Examples. The return statement returns the flow of the execution to the function from where it is called. This statement does not mandatorily need any conditional statements. As soon as the statement is executed, the flow of the program stops immediately and return the control from where it was called.

Which statement returns the flow of the execution to the function?

The return statement returns the flow of the execution to the function from where it is called. This statement does not mandatorily need any conditional statements.