Python 斐波那契数列类问题
统计每个月兔子的总数
http://www.nowcoder.com/questionTerminal/1221ec77125d4370833fd3ad5ba72395
while True:
try:
month = int(input())
count, n1, n2 = 2, 1, 1
if month < 3:
print(1)
else:
while count < month:
nth = n1 + n2
n1 = n2
n2 = nth
count += 1
print(n2)
except:
break
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