2. Summation Of Numbers (using Nested While Loops) Part A: The program (will calculate and display the fotal of all numbers up to any specific number (entered by the user). Only positive numbers are allowed. Examples. When 5 is entered the program will calculate the total as 1+2++5 and display 15. When 2 is enterered the program will calculate the total as 1+2 and display 3. Here is an example of one run of the program. znter a positive integer number: 0 wrong input, try again. Enter a ponitive integer number: 2 wrong input, try again. znter a positive integer number: 5 The sum from 1 to 5 is: 15 Tips. The solution of Part A consists of two loops (not nested one for the input validation (only positive integer num second one for the calcilation of the total. You must Python or the mathematical formula for calculating a