One Liner fibonacci series generator
Python, 4 lines
Download
Copy to clipboard1 2 3 4 | #get nth fibonacci number for n < = 0 returns 1
fib = lambda n,a=1,b=1:n-1 + abs(n-1) and fib(n-1,b,a+b) or b
#another version
fib = lambda n,a=1,b=1:[b,0][n>0] or fib(n-1,b,a+b)
|
get nth fibonacci number for n < = 0 returns 1
Tags: algorithms
Differing results. Trying
fib(10)on the first version returns 89. But the same Fibonacci number for the second returns 144.Also seems off since the second Fibonacci number is 2 when it is supposed to be 1. Seems to lead to the correct value being in the argument + 1.