题解 | #统计每个月兔子的总数#
统计每个月兔子的总数
http://www.nowcoder.com/practice/1221ec77125d4370833fd3ad5ba72395
num = int(input())
def sum_rabbit(x):
a = 0
b = 1
for i in range(x):
a, b = b, a + b
return a
print(sum_rabbit(num))
def sum_rabbit(x):
a = 0
b = 1
for i in range(x):
a, b = b, a + b
return a
print(sum_rabbit(num))
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