Question I Write a program that calls a function calcelate Sam to calculalie the sum from 0 to N integers. The function calculateSum has one parameter N of type intager and neturns an integer which repeesents the sum from to N, inclusive Write another function calculateAverage tat calculates an average. This function will have two parameters the sum and the number of itens. hetns average (of type float). The main function should be responsible feer all inputs and outputs You functions will only calculate and return the values and NOT print anything. N is povided by the wser user input must be asked for repeatedly until a non-nepative inseer is povided