5.py

def fibonacci():
    a,b = 0,1
    yield(a) #consumer(a)
    while True:
        a,b = b,a+b
        yield(a) #consumer(a)

total = 0
for i in fibonacci():
    total += i

    print("Current: " + str(i))
    print("Total: " + str(total))

    if input('Type \'y\'<RET> to continue\n') != 'y':
        break