Sandbox:DC

Objective	This function shall add two values and therefore simplify one of the most complex arithmetic operations.
Function Definition	def add(self,param1,param2): sum = param1 + param2 return sum
Parameters	param1: The first summand. param2: The second summand.
Return value	The sum of the two arguments.
When is function called	Whenever the program flow detects that a sum is required, this function is called. There is one exception: When the second argument is negative, sub() is called instead.
Comments	Actually, this whole function is not used in production.