x = 493 x warning = "There is an earthquake in the Pacific." warning warning[0] warning[-1] len(warning) employees = ["Jake", "Steve", "Sarah"] employees[0] employees = employees + ["Bill", "Stan"] employees greetings = { 'English': 'Hello', 'Spanish': 'Hola' } greetings dates = (12, 15, 92) f = open('data.txt') f.close() type(dates)