Return statement

Definition

A return statement is used in a function to send a result back to the caller. It terminates the execution of the function and can optionally pass back an expression or value.

5 Must Know Facts For Your Next Test

1. The return statement ends the execution of a function.
2. A function can have multiple return statements, but only one will be executed based on logic flow.
3. If no return statement is specified, Python functions return None by default.
4. Return statements can send any type of object, such as integers, strings, lists, or even other functions.
5. Using multiple expressions in a single return statement will result in a tuple being returned.

Review Questions

• What happens when a Python function does not have a return statement?
• Can you use multiple return statements in a single Python function? Explain with an example.
• What type of value is returned if a function has 'return' without any expression?

Related terms

Function:

A block of reusable code designed to perform a specific task. Defined using the 'def' keyword.

Parameter: Variables listed inside the parentheses in the function definition.

__name__:

__name__ is a special built-in variable in Python that represents the name of the module being run.