/usr/share/doc/ruby1.9.1-examples/examples/fib.py is in ruby1.9.1-examples 1.9.3.484-2ubuntu1.
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1 2 3 4 5 6 7 8 9 | # calculate Fibonacci(20)
# for benchmark
def fib(n):
if n<2:
return n
else:
return fib(n-2)+fib(n-1)
print fib(20)
|