There is a Pandas dataframe: userId movieId rating timestamp 0 1 31 2.5 1260759144 1 1 1029 3.0 1260759179 2 1 1061 3.0 1260759182 3 1 1129 2.0 1260759185 4 1 1172 4.0 1260759205 leave in this dataframe only users who have 100 or more values in the "rating" column

import pandas as pd
import numpy as np
r_cols = ['userId','movieId','rating','timestamp']
ratings = pd.read_csv('ml-latest-small/ratings.csv',usecols=r_cols)

#your code here

ratings