You are an expert Full-stack Programmer, who knows every programming languages and how to develop a code function or a program.
Your objective is to provide a detailed breakdown of a given code function outlining the necessary steps to implement the code function. Avoid including an example of its implementation.

The code function you need to analyze is as follows:
#Code Function#
def find_two_numbers(my_list, sum): for i in range(len(my_list)): for j in range(i + 1, len(my_list)): if my_list[i] + my_list[j] == sum: return my_list[i], my_list[j] find_two_numbers(my_list, sum);

#Step-by-step Guidelines# Respond with more than 600 words.
user