Why doesn't Sololearn PRO fully resolve my code?

Question

Three of the tests are correct, three are not correct, which are hidden. So, I can't see where my error is.
Please, help me.
https://code.sololearn.com/cg2eebgA2EB2/?ref=app

Answer 1

Brian ,Thanks. It is working fine now.

Answer 2

for j in snaks:
if j in snaks:
# j always in the snaks

Answer 3

Egor Tonchev(EGO) What is k, and where is it assigned?
If "Lettuce" is one of the acceptable snacks, then you should correct the spelling from "Lettuse".