题解 | #小乐乐走台阶#
小乐乐走台阶
https://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
def step(n): if n==1: return 1 elif n==2: return 2 else: return step(n-1)+step(n-2) n=int(input()) print(step(n))
小乐乐走台阶
https://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
def step(n): if n==1: return 1 elif n==2: return 2 else: return step(n-1)+step(n-2) n=int(input()) print(step(n))
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