Python – 元素级矩阵差

my_list_1 = [[3, 4, 4], [4, 3, 1], [4, 8, 3]]
my_list_2 = [[5, 4, 7], [9, 7, 5], [4, 8, 4]]
print("The first list is :")
print(my_list_1)
print("The second list is :")
print(my_list_2)

my_result = []

for sub_str_1, sub_str_2 in zip(my_list_1, my_list_2):
   temp_str = []

   for element_1, element_2 in zip(sub_str_1, sub_str_2):
      temp_str.append(element_2-element_1)
   my_result.append(temp_str)

print("The result is :")
print(my_result)