What si the PYTHON CODE FOR THE FOLLOWING Step $7.$ Demonstrate Parameter Annotations:

Create a function named add$\_$numbers that accepts two parameters, a and b$,$ both of type int, and returns their

sum as int.

Use parameter annotations to specify the types.

$$ Call the header$\_$caller function with input $7$

$$ Create a variable named results that equals the return of the function call with a$=2$ and b $=3$

$$ Print the value of result to the console.