Challenge: nombre triangulaire

Question

Écrivez un code qui retourne un triangle de cette manière:
1
12
123
1234
Vous utiliserez pour cela une entrée de l'utilisateur qui définira le nombre de niveau dans le triangle (4 dans cet exemple)
Finalement vous allez afficher la somme de tous les nombres du triangle obtenu
Challenge in english:

https://www.sololearn.com/discuss/645824/?ref=app

Answer 1

Hope i understood correctly the task, it would be nice make it available in English. :)

https://code.sololearn.com/WrzmeT73691D/?ref=app

Answer 2

aquí, la mía, salut: https://code.sololearn.com/W9DuF7K3w16R/?ref=app

from: https://www.sololearn.com/Discuss/645824/?ref=app

Answer 3

@Maz I also post the challenge in english and your code it's correct

Answer 4

@sayan the same as @Maz, you can post your code in the english post that I made. This post is in French if there is some French people who don't speak english but thank you for your answer

Answer 5

heres mine

https://code.sololearn.com/cJ8vS98nH8f6/?ref=app

Answer 6

different challenge on the way
TUESDAY TALES

https://www.sololearn.com/discuss/646010/?ref=app