1.
import numpy as np
a = np.array([1,2,3,4])
b = np.array([7,8,9,10])
s = a + b
print(s)
[ 8 10 12 14]
2.
from itertools import product
a = [2, 3, 4, 5]
b = [7, 8, 9]
ret2 = [i+j for i, j in product(a, b)]
print(sorted(set(ret2)))
"""
[9, 10, 11, 12, 13, 14]
"""
3.
a = [2, 3, 4, 5]
b = [7, 8, 9]
ret = list(set([i + j for i in a for j in b]))
print(ret)
"""
[9, 10, 11, 12, 13, 14]
"""
4.
a = [2, 3, 4, 5]
b = [6,7, 8,9]
ret2 = [i+j for i, j in zip(a, b)]
print(ret2)
"""
[8, 10, 12, 14]
"""
a = [2, 3, 4, 5]
b = [6,7, 8]
ret2 = [i+j for i, j in zip(a, b)]
print(ret2)
"""
[8, 10, 12]
"""