great_directors = ["Martin Scorsese", "Steven spielberg", "Francis Ford Coppola"]
great_directors[1] = "Michael Bay"
print(great_directors)

transformers = ["Optimus Prime", "Megatron", "Bumblebee", "Starscream"]
transformers[2] = "Grimlock"
print(transformers)

camping_trip_supplies = ["Socks", "Flashlight", "Tent", "Blanket"]
camping_trip_supplies[0] = "Food"
print(camping_trip_supplies)

tech_companies = ["Google", "Microsoft", "Blackberry", "IBM", "Yahoo"]
tech_companies[1:4] = "Facebook", "Apple"
print(tech_companies)