Sum of Numbers Design a function that accepts aninteger argument and returns the sum of all the integers from 1 upto the number passed as an argument. For example, if 50 is passedas an argument, the function will return the sum of 1, 2, 3, 4 . .. 50. Use recursion to calculate the sum. Answer must be inPseudocode, not python, not java, please and thankyou . . .