Counting the elements
In the video, you saw some of Python's most helpful built-in functions.
One of them can be used to count the number of elements in a variable. You'll see three variables in the following steps:
course_ratings
- a dictionary variable containing course names as keys and average ratings as values.course_completions
- a list variable containing the daily number of completions for an individual course.most_popular_course
- a string variable containing the name of a course.
You'll practice applying this function to the three variables!
This exercise is part of the course
Intermediate Python for Developers
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
course_ratings = {"LLM Concepts": 4.7,
"Introduction to Data Pipelines": 4.75,
"AI Ethics": 4.62,
"Introduction to dbt": 4.81}
# Print the number of key-value pairs
num_courses = ____(____)
print(____)