Could you please help me find the error. I myself have (i might be wrong) boiled it down to the for loop because it somehow magically converts a list into an int and tries to iterate over that. But I don't know how to fix it, doesn't even make sense why it would do it. Please help me out. Thanks in advance!

Here is the error it gives me:

TypeError: 'int' object is not iterable


Here is...