# 5 examples of 'python fibonacci generator' in Python

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``6def py_fibonacci(n):7    """https://stackoverflow.com/a/52133289/2536357"""8    i = 09    nextterm = 110    present = 111    previous = 01213    while i < n:14        nextterm = present + previous15        present = previous16        previous = nextterm17        i = i + 11819    return nextterm``
``37@tasklets.tasklet38def fibonacci(n):39  """A recursive Fibonacci to exercise task switching."""40  if n <= 1:41    raise tasklets.Return(n)42  a = yield fibonacci(n - 1)43  b = yield fibonacci(n - 2)44  raise tasklets.Return(a + b)``
``14def fibonacci(x: int):15    if x < 0:16        return -117    if x == 0:18        return 019    cache =  * (x + 1)20    for i in range(1, len(cache)):21        cache[i] = -122    cache = 123    return fibonacci_recur(x, cache)``
``6def test_fib(self, func):7    result = []8    expected = [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]9    for i in range(len(expected)):10        result.append(func(i))11    assert_equal(result, expected)12    print('Success: test_fib')``
``210def _create_fibonacci_points(n):211    """212    Get an array of approximately equidistant points on a sphere surface213    using a golden section spiral.214    """215    phi = (3 - np.sqrt(5)) * np.pi * np.arange(n)216    z = np.linspace(1 - 1.0/n, 1.0/n - 1, n)217    radius = np.sqrt(1 - z*z)218    coords = np.zeros((n, 3))219    coords[:,0] = radius * np.cos(phi)220    coords[:,1] = radius * np.sin(phi)221    coords[:,2] = z222    return coords``