the population of locusts in a certain swarm doubles every two hours . if 4 hours ago there were 1,000 locusts in the swarm , in approximately how many hours will the swarm population exceed 128,000 locusts ?
n0 = 4.0
n1 = 1000.0
n2 = 128000.0
t0 = 10.0 / 2.0
answer = t0 * 2.0
print(answer)