Exercício 11-05:

##############################################################################
# Parte do livro Introdução à Programação com Python
# Autor: Nilo Ney Coutinho Menezes
# Editora Novatec (c) 2010-2024
# Quarta Edição - Março/2024 - ISBN 978-85-7522-886-9
#
# Site: https://python.nilo.pro.br/
#
# Arquivo: capitulo 11/exercicio-11-05.py
##############################################################################
import sqlite3
from contextlib import closing

with sqlite3.connect("precos.db") as conexao:
    with closing(conexao.cursor()) as cursor:
        cursor.execute("""update preços
                          set preço = preço * 1.1""")
        # Mostra os novos preços
        cursor.execute("""select * from preços""")
        for resultado in cursor.fetchall():
            print("Nome: {0:30s} Preço: {1:6.2f}".format(*resultado))