def remove_and_replace(tech_companies):
    remove = input("Enter the list to remove: ")
    if remove in tech_companies:
        idx = tech_companies.index(remove)
        replace = input("Enter your replace here: ")
        tech_companies[idx] = replace
    return tech_companies

print(remove_and_replace(["Google", "Microsoft", "Blackberry", "IBM", "Yahoo"]))