it_companies=["Facebook", "Google", "Microsoft", "Apple", "IBM", "Oracle", "Amazon"]
print(it_companies)
print(len(it_companies))
print("Primera empresa:", it_companies[0])
print("Empresa del medio:", it_companies[3])
print("Ultima empresa:", it_companies[6])

#imprimir despues de editar una empresa
it_companies2=["Facebook", "Google", "Bandai", "Apple", "IBM", "Oracle", "Amazon"]
(print(it_companies2))

#agregar una empresa de ti a la lista
it_companies2.append("Tesla")
print(it_companies2)

#agregar una empresa de ti en la mitad de la lista
it_companies3=["Facebook", "Google", "Bandai", "Samsung", "LG", "Apple", "IBM", "Oracle", "Amazon", "Tesla"]
it_companies3.insert(4, "Netfilx")
print(it_companies3)

#cambiar el nombre de una empresa a Mayúsculas
it_companies4=["Facebook", "Google", "Bandai", "Samsung", "Netfilx", "LG", "Apple", "IBM", "Oracle", "Amazon", "Tesla"]
it_companies4[0]=it_companies4[0].upper()
print(it_companies4)

#Unir las empresas de TI con la cadena #;
it_companies4=["FACEBOOK", "Google", "Bandai", "Samsung", "Netfilx", "LG", "Apple", "IBM", "Oracle", "Amazon", "Tesla"]
empresas_unidas=";#  ".join(it_companies4)
print(empresas_unidas)

#Comprobar si una empresa existe
it_companies5=["FACEBOOK;#",  "Google;#",  "Bandai;#",  "Samsung;#",  "Netfilx;#",  "LG;#",  "Apple;#",  "IBM;#",  "Oracle;#",  "Amazon;#",  "Tesla"]
empresa="Bandai;#" in it_companies5
print(empresa)

#ordenar la lista
it_companies6=["FACEBOOK;#",  "Google;#",  "Bandai;#",  "Samsung;#",  "Netfilx;#",  "LG;#",  "Apple;#",  "IBM;#",  "Oracle;#",  "Amazon;#",  "Tesla"]
it_companies6.sort()
print(it_companies6)