RosettaCodeData/Task/Fibonacci-sequence/Python/fibonacci-sequence-2.py
2023-07-01 13:44:08 -04:00

8 lines
158 B
Python

def fibIter(n):
if n < 2:
return n
fibPrev = 1
fib = 1
for _ in range(2, n):
fibPrev, fib = fib, fib + fibPrev
return fib