import pandas as pd
aval_filmes = pd.read_csv("ratings.csv")
print(aval_filmes.head())
print(" ")
aval_filmes.columns = ["usuarioId", "filmesId", "nota", "momento"]
print(aval_filmes.head())
print(" ")
print(aval_filmes.nota.unique())
print(" ")
print(aval_filmes.nota.value_counts())
print(" ")
print("Média" ,aval_filmes.nota.mean())
print(" ")
print("Mediana" ,aval_filmes.nota.median())