Add Even Indices

from numba import njit, prange
import numpy as np
@njit(parallel=True)
def add_even_indices(A):
    s = 0
    # Without "parallel=True" in the jit-decorator
    # the prange statement is equivalent to range
    for i in prange(A.shape[0]):
        if(i % 2 == 0):
            s += A[i]
    return s
abc = add_even_indices(np.array([1, 2, 3, 4, 5, 6]))
abc
9

More on Numba

http://numba.pydata.org/numba-doc/latest/user/parallel.html#numba-parallel