Calculate with list

Question

For example, i have list[2,4,8,7] and i want to add the value 3 in each element of list. So how can i do? Thanks you advance

Answer 1

a = [2, 4, 8, 7]
for i in range(len(a)):
a[i] += 3
print(a)

Answer 2

i can help you in c
if this array u can use for loops and add 3 to each one

Answer 3

Maybe my question is not right, sorry. I pass a test that show to test element odd and even of list: if ... (list)%2 == 0. I must complete this blank