String operations
Now that you can load the text data into bags, it is time to actually do something with it. To detect how positive or negative the reviews are, you will start by counting some keywords.
The bag you created in the last exercise, review_bag, is available in your environment.
Diese Übung ist Teil des Kurses
Parallel Programming with Dask in Python
Anleitung zur Übung
- Use the
.lower()method ofreview_bag's string accessor to convert each review to lower case. - Use the
.count()method of the string accessor to count how many times the word'excellent'appears in each review. - Print 10 values of
excellent_counts.
Interaktive Übung
Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.
# Convert all of the reviews to lower case
lowercase_reviews = review_bag.____
# Count the number of times 'excellent' appears in each review
excellent_counts = lowercase_reviews.____
# Print the first 10 counts of 'excellent'
print(____)