题解 | #兔子的数量#
兔子的数量
https://www.nowcoder.com/practice/8783056676de4396b0bf816a3561d62f
num = int(input())
def ra_num(num):
if num == 1:
return 2
if num == 2:
return 3
return ra_num(num-1) + ra_num(num-2)
print(ra_num(num))
兔子的数量
https://www.nowcoder.com/practice/8783056676de4396b0bf816a3561d62f
num = int(input())
def ra_num(num):
if num == 1:
return 2
if num == 2:
return 3
return ra_num(num-1) + ra_num(num-2)
print(ra_num(num))
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