a = [x * 2 for x in range(5)]
b = (x * 2 for x in range(5))

print('a=', a)
print('b=', b)

for t in range(2):
    # Run Following Code Twice

    print('----')
    for i, x in enumerate(a):
        print('a[{}]={}'.format(i, x))

    print('----')
    for i, x in enumerate(b):
        print('b[{}]={}'.format(i, x))