Functional programming - Help

Question

I'm just into the first lesson in the functional programming section and can't understand the first code,

def apply_twice(func, arg):
return func(func(arg))

def add_five(x):
return x + 5

print(apply_twice(add_five, 10))

How did the result turn out 20 and what is #return func(func(arg))
Can anyone explain this in a simple way

Thank you
Have a great day!

Answer 1

The code is defining two functions: apply_twice and add_five. The apply_twice function takes two arguments, a function (func) and an argument (arg). It then calls the function twice, passing in the argument each time. The add_five function takes one argument (x) and adds 5 to it.

When you call apply_twice with add_five and 10 as arguments, it calls add_five twice with 10 as the argument each time. So the result is 10 + 5 + 5 = 20.

Answer 2

im Reza thanks alot!!!!