Answers for "write a function for adding a list of numbers and multiply by a constants"

python multiply list bt number

my_list = [1, 2, 3, 4, 5]
my_new_list = [i * 5 for i in my_list]

>>> print(my_new_list)
[5, 10, 15, 20, 25]

python element wise multiplication list

# element-wise multiplication of x & y
>>>x = [1,2,3,4]
>>>y = [2,3,4,5]
>>>[a*b for a,b in zip(x,y)]
[2, 6, 12, 20]