#int Typ n Zeilen m Spalten
l_2d = np.zeros((n,m), dtype=int)

# index:[0,1] 
# l_2d:[[0, 0, 0], [0, 0, 0]]
for index in indices: 
            l_2d[index[0],:] += 1
            l_2d[:,index[1]] += 1
            print(l_2d)

l_2d = np.zeros((n,m), dtype=int)
print(l_2d % 2 != 0)

np.count_nonzero(l_2d % 2 != 0)

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