Created
April 13, 2017 22:51
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| def memo(f): | |
| cache = {}; | |
| def inner(n): | |
| if n not in cache: | |
| cache[n] = f(n); | |
| return cache[n]; | |
| return inner; |
Or using loop:
def fib3(n); assert n >= 0; f0, f1 = 0, 1; for i in range(n - 1): f0, f1 = f1, f0 + f1; return f1;
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Or using lru_cache:
from functools import lru_cache fib1 = lru_cache(maxsize=None)(old_fib1)