You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
def sumDigits(num): 
    sum = 0
    while(num): 
        sum += num % 10
        num = num//10
    return sum

# main function
num = 12345
print("Sum of digits of specified number is: ", 
      sumDigits(num))
user
Sum of digits of specified number is:  15
assistant