Python numpy problem

import numpy as np

weird_list = [800153196,
             946067665,
             827629917,
             868941741,
             875745873,
             926109150,
             1353347195,
             1003235074,
             1053666891,
             1442194993,
             1924716858,
             1060724069,
             1182240731,
             1646547575,
             1215762661,
             1520107722,
             1512568609,
             1534064291,
             1549459216,
             1773697582,
             1853820087,
             1696910852,
             1563415785,
             1692314635,
             1627783113]

low_list = [0, 1, 2, 3]
ex_list = []
weird_list_div_10 = []
weird_list_mult_10 = []

for i in range(len(weird_list)):
    ex_list.append(i)
    weird_list_div_10.append(weird_list[i] // 10)
    weird_list_mult_10.append(weird_list[i] * 10)

def array_sum(i_list):
    i_array = np.array(i_list)
    print(i_array)

    i_array_rs1 = i_array.reshape(1, -1)
    print(i_array_rs1)

    i_array_rs2 = i_array.reshape(-1, 1)
    print(i_array_rs2)

    i_array_rs_SUM = i_array_rs1 + i_array_rs2
    print(i_array_rs_SUM)

# Some runs
array_sum(low_list)
# array_sum(ex_list)
# array_sum(weird_list_div_10)
# array_sum(weird_list_mult_10)
# array_sum(weird_list) # THIS DOESN'T WORK