Python - Lista, por favor no tengo mucho tiempo

lista = [12, 11, 25, 10, 11, 18, 12, 17, 15, 22, 20, 14]

lista.sort()

print(lista)

promedio = round(sum(lista)/len(lista), 0)

print(f"Promedio: {promedio}")

dicc = {"0-9": 0, "10-15": 0, "16-25": 0}

for k, v in dicc.items():

    for i in lista:

        if i >= int(k.split("-")[0]) and i <= int(k.split("-")[1]):

            dicc[k] = dicc[k] + 1

print(dicc)

"""

[10, 11, 11, 12, 12, 14, 15, 17, 18, 20, 22, 25]

Promedio: 16.0

{'0-9': 0, '10-15': 7, '16-25': 5}

"""