Part I: Balanced Numbers (4 points) (Place your answer to this problem in the "is balanced.py" file) A balanced number is one where the sum of the digits in the first half of the number equals the sum of the digits in the second half of the number (assume that the original number always has an even number of digits For example, 3562 is balanced because 35 8 and 6 2 8. 1479 is not balanced 14 5, but 79 16. Complete the is_balanced function, which takes a single string argument representin an integer value. If the ar gument is balanced according to the definition above, the function returns the Boolean value True; otherwise, i returns False (note that these values are Python "built-ins" or predefined words, ot strings) The eusiest way to solve this problem is to use a while loop with two variables that represent index values (one index value initially starts with the value 0, while the other initially starts at the final index of the string). While the "left" index is less than the "right index, add the digit at each index (don't forget to convert it from a string to an integer using the int function) to a separate sum variable one for the first half of the number, and one for the second half) and then update each index value (increment the left index and decrement the right index). When the loop ends (because the indices have met in the middle), compare the two sums. For example, consider the input 202400". We proceed as follows: Round 0 (prior to loop) Left index Right index Value at left index Value at right index Left sum Right sum 4 (loop ends) When the loop ends, the sum for each half is 4. They are equal, so this is a balanced number and we will return True. Examples: Function Call incd("1221) is halanced(125354 alse Return Value aced("624091 Fal is halanced (" 745718 True