Podcast
Questions and Answers
What is the purpose of the select-columns function?
What is the purpose of the select-columns function?
How can the tickcount column be extracted from a table?
How can the tickcount column be extracted from a table?
What is an extracted column?
What is an extracted column?
What is a list in Pyret?
What is a list in Pyret?
Signup and view all the answers
What is an anonymous list?
What is an anonymous list?
Signup and view all the answers
What is a literal list in Pyret?
What is a literal list in Pyret?
Signup and view all the answers
What can be done with lists in Pyret?
What can be done with lists in Pyret?
Signup and view all the answers
Study Notes
- The select-columns function produces a new table with certain columns from an existing table.
- The tickcount column can be extracted using the get-column function.
- An extracted column is a more basic kind of datum called a list.
- A list has an order and all elements are expected to have the same type.
- A list does not have a column name and is anonymous.
- Lists can be used in several different contexts and can be interpreted differently.
- Literal lists can be created directly using [list: ].
- An empty list can be created using [list: ].
- Pyret provides built-in operations on lists of numbers.
- Useful functions can be included by including libraries.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge of Pyret's list-related functions and operations with this informative quiz. Learn about the select-columns function, the tickcount column, and how to extract columns from tables. Discover the characteristics of lists, how they can be created and manipulated, and the different contexts in which they can be used. Expand your Pyret knowledge with this engaging quiz.