2015-08-23-142507.sagews

def Fibonacci(x):
    if x == 0:
        return "[], 'No hay elementos en la lista para ese numero'."
    if x == 1:
        return [0]
    else:
        if x == 2:
            return [0,1]
        else:
            p=1
            q=1
            t=0
            L=[0,1]
            for i in range(x-2):
                t=p+q
                L.append(t)
                q=p
                p=t
        return L

Fibonacci(0)

"[], 'No hay elementos en la lista para ese numero'."

Fibonacci(1)

[0]

Fibonacci(2)

[0, 1]

Fibonacci(3)

[0, 1, 2]

Fibonacci(20)

[0, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765]

Fibonacci(100)

Error in lines 1-1 Traceback (most recent call last): File "/cocalc/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 1013, in execute exec compile(block+'\n', '', 'single') in namespace, locals File "", line 1, in <module> NameError: name 'Fibonacci' is not defined