Sesiones de PyR

Can someone explain to me what's wrong with this code? The output should be 20. Sorry for any inconvenience
python
1 Voto
2 Respuestas
27th Feb 2019, 4:57 AM
thariq
thariq - avatar
Is there an undo option in sololearn(in mobile)?
:(inconvenience
0 Votos
1 Respuesta
2nd Dec 2021, 6:53 PM
ＡＣＥ
ＡＣＥ - avatar
Why does it show I am offline when I try to answer a question on SoloLearn?
bugserrorsinconvenienceissuesproblemssololearn
5 Votos
14 Respuestas
19th Jan 2021, 11:15 AM
ltsRoy
ltsRoy - avatar
En tendencia hoy
Need a personal tutor
1 Votes
I can't figure out how to use the getElementById code in JavaScript Code Playground, I've tried multiple times and watched YT
0 Votes
Fix code
0 Votes
..
1 Votes
How can I turn my .py files to .exe files?
1 Votes
Software to write and run codes
1 Votes
How Much RAM is Required for Object Detection Project
0 Votes
Add lua
0 Votes
How to learn C++ and how long does it take
1 Votes
Summary please??
0 Votes