
斐波那契数列公式源码:
def fibonacci(n):
a,b = 1,1
for i in range(n-1):
a,b = b,a+b
return a

斐波那契数列公式源码:
def fibonacci(n):
a,b = 1,1
for i in range(n-1):
a,b = b,a+b
return a
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