Re: how to input list [] dynamic in python

This does look a programming exercise in a class...  if you ask these questions in future, be warned people here will probably ask to see your attempt at writing code first (otherwise you are not really learning to be a programmer).

But, OK, it seemed interesting to me,so here is one approach:

def elementswise_left_join(l1, l2):

    """https://www.w3resource.com/python-exercises/list/python-data-type-list-exercise-155.php"""

    f_len = len(l1) - (len(l2) - 1)

    for i in range(0, len(l2), 1):

        if f_len - i > len(l1):

            break

        else:

            l1[i] = l1[i] + l2[i]

    return l1

    

def get_array(n):

    if n == 1:

        return [1,]

    r = [x for x in range(1, n + 1)]

    return r

curr = []

valid = True

while valid:

    num = input("Enter number: ")

    if num:

        new = get_array(int(num))

        if len(new) > len(curr):

            curr = elementswise_left_join(new, curr)

        else:

            curr = elementswise_left_join(curr, new)

        print(curr)

    else:

        valid = False

On Monday, 31 May 2021 at 13:34:51 UTC+2 leoa...@gmail.com wrote:

how about if input like in below
1 ) input: 3 , return [1, 2, 3]

then continue dynamic

2) input: 2, return [2, 4, 3]

  then continue dynamic  

3) input: 6, return [3, 6, 6, 4, 5, 6]

  then continue dynamic  

4) input: 1, return [4, 6, 6, 4, 5, 6]

  then continue dynamic  

5) input: 1, return [5, 6, 6, 4, 5, 6]

thanks

Pada tanggal Sen, 31 Mei 2021 pukul 18.20 paidjoo indo <leoa...@gmail.com> menulis:

hello i having question, because i still learn python for me, so can help me 

the question is

how about if input like in below
1 ) input: 3 , return [1, 2, 3]

2) input: 2, return [2, 4, 3]

3) input: 6, return [3, 6, 6, 4, 5, 6]

4) input: 1, return [4, 6, 6, 4, 5, 6]

5) input: 1, return [5, 6, 6, 4, 5, 6]

thanks in advance

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