#Chapter 44 SumList.py

#iterative routine
def sumList(numList):
    sum = 0
    for i in numList: 
        sum = sum + i     
    #endfor
    return sum               


#recursive routine
def sumListRecursive(numList):
    if len(numList) ==1:
        return numList[0]
    else:
        return numList[0] + sumListRecursive(numList[1:])
           
           

#main program
numbers = [3, 5, 10, 2]
total = sumList(numbers)
print('Sum =',total)

total = sumListRecursive(numbers)
print('Using a recursive routine:')
print('Sum =',total)