unloading_a_pickle_file.py

import pandas as pd
import pickle

# Open pickle file and load data:
with open('ratings.pickle', 'rb') as f:
    ratings_data = pickle.load(f)
 
# Print ratings_data
print(ratings_data)
 
# Print datatype of ratings_data
print(type(ratings_data))

>>
ratings.csv
<class 'str'>

# Now let's load the ratings_data into a pandas data frame. As we can see, ratings_data contains the ratings.csv file
ratings_df = pd.read_csv(ratings_data)

# Now let's see the size of the ratings.df
print(ratings_df.shape))
>>
(22884377, 4)

# Finally, let's see the first five rows
print(ratings_df.head())