snowflake python connector error handling

1import os
2import snowflake.connector
3from snowflake.connector.errors import DatabaseError, ProgrammingError
4
5snowflake_account = os.environ['SNOWFLAKE_ACCOUNT']
6
7if __name__ == '__main__':
8    try:
9        con = snowflake.connector.connect(
10            user='bad username',       # <-------- Bad user
11            password='bad password',   # <-------- Bad pass
12            account=snowflake_account  # <-------- This is correct
13        )
14    except DatabaseError as db_ex:
15        if db_ex.errno == 250001:
16            print(f"Invalid username/password, please re-enter username and password...")
17            # code for user to re-enter username & pass
18        else:
19            raise
20    except Exception as ex:
21        # Log this
22        print(f"Some error you don't know how to handle {ex}")
23        raise
24    else:
25        try:
26            results = con.cursor().execute("select * from db.schema.table").fetchall()
27            print(results)
28        except ProgrammingError as db_ex:
29            print(f"Programming error: {db_ex}")
30            raise
31        finally:
32            con.close()
33
34