Fibonacci bench

fib.js

function fib(n) {
  return n < 2 ? n : fib(n-1) + fib(n-2);
}

print(fib(35));

fib.py

# Python 2
def fib(n):
  if (n < 2):
    return n
  else:
    return fib(n-1) + fib(n-2)

print fib(35)

fib.rb

def fib n
  if n < 2
    n
  else
    fib(n-1) + fib(n-2)
  end
end

puts fib 35

fib3.py

# Python 3
def fib(n):
  if (n < 2):
    return n
  else:
    return fib(n-1) + fib(n-2)

print(fib(35))