[L7-2](build_list.py) Write a program that builds a listnum_list such that num_list[i] =i for i == 0..20. Do this by using theaccumulator pattern: initialize num_list to theempty list [], then loop over each integer,appending it to the end of num_list. At the end,print out your final value of num_list.
[L7-3](build_list2.py) Same as [L7-4]but build num_list by concatenating thelist [num] to the end of numlist,then assigning the result to num_list. Print outthe final value of num_list as before.
[L7-4] (build_list3.py) Sameas [L7-4], but build num_list by using a listcomprehension: num_list = [num for num inrange(21)].
Answer
L7-2)
num_list = []num=20i = 0for i
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