Why is my code not working?

Question

https://code.sololearn.com/co3oWjJVL6LL/?ref=app
https://code.sololearn.com/co3oWjJVL6LL/?ref=app

Answer 1

Because new values ​​are added to xot an infinite number of times

Answer 2

Place break in else

Answer 3

# This code is for displaying numbers.

listik = [[1, 2],3]

def pupsik(xot):
for i in xot:
if type(i) == list:
pupsik(i)
else:
print(i)

pupsik(listik)

Answer 4

What do you mean? Can you be a bit more specific?