postacie_minecraft = ["enderman", "creeper", "wither skeleton", "stray"]
print (postacie_minecraft)
print (postacie_minecraft[2])
postacie_minecraft[2]= "szkielet"
print(postacie_minecraft)
postacie_minecraft.append("ghast")
print (postacie_minecraft)
postacie_minecraft.remove("enderman")
print (postacie_minecraft)
postacie_minecraft.append("ender dragon")
print (postacie_minecraft)



ceny = [250 , 500 , 750 , 1000]
print(postacie_minecraft[4],ceny[3])