Python-01/fib.py at master · mrshnra/Python-01 · GitHub

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def fib_loop(n):
    '''
    Returns the nth number in the fibonachi series.

    It uses for loop to calculate it.
    '''
    fib = [1,1]

    for i in range(n-2):
        x= fib[i+1]+fib[i]
        fib.append(x)

    return fib[n-1]

def fib_recursion(n):
    '''
    Returns the nth number in the fibonachi series.

    It uses for loop to calculate it.
    '''
    fib1=1
    fib2=1

    for i in range(n-2):
        fib3 = fib2 + fib1
        fib1 = fib2
        fib2 = fib3

    return fib3

print(fib_loop(8))
print(fib_recursion(13))


def fib_generator(n):
    '''
    Generator version of fibonacci.
    '''

print(fib_loop(8))
print(fib_recursion(13))
print([i for i in fib_generator(14)])