Error in inserting table in column

[vbrozik (Václav Brožík)]

Your Python code shows messed up. Did you notice? You have to enclose it between triple backticks to prevent Markdown from mangling it:

```
Your code will be here.
```

You posted exactly the same question four days ago. Why do you duplicate your own question? The answer there still apply:

Error in inserting column in table

Please do not post text in images: Why should I not upload images of code/data/errors when asking a question? Put your code, commands, output, error messages as text between lines with triple backticks: ``` Your text will be here. ``` Now what I noticed in your images: We do not see how you created the table classroom so we cannot say why is the column missing. Do not use format(), f-strings etc. to insert values into SQL commands. These methods create SQL-injection vulnerabilities. If t…

Namely:

We do not see how you created the SQL table classroom so we cannot say why is the column missing.

How did you create the SQLite database file classroomDB.db?