can't understand function

Hi there! I wrote a little example here to help explain:

def multiply(x,y):
  return x * y

result = multiply(7, 10)
print(result)

The function here is named multiply and it accepts two values. A function is simply a piece of code that we want to be run every time we call it. So in this simple example we have a a variable named result. We're going to call/invoke/execute the multiply function and we're going to send in a 7 and a 10. The values 7 and 10 will come into the function and we are now accessing them with the names x and y. We multiply them together and return the result. We're returning the value to the original piece that called it. Which is multiply(7,10). This will now put 70 into the variable result. Now when we print the value of result to the screen, it will print 70.

Hope this helps!