Julian Kessel's Blog

def add_hex(arr):
    result = 0x0
    index = 0
    while True:
        print index
        try:
            result = result + int(arr[index], 16) + int(arr[index+1], 16)
        except IndexError:
            try:
                result = result + int(arr[index], 16)
            except IndexError:
                pass
            result = hex(result)
            break
        index+=2
    return result
 
print add_hex2(['0x01', '0x05', '0x04', '0x09', '0x17'])