Question Sets
Untimed practice sets. Take one here, or find them embedded right inside a course's concepts.
Choose a topic to see its subtopics.
35 sets
High School (11–12)High School (9–10)UndergraduateGeneralChemistry by ComputerData Analysis with pandas
Ten questions on tables, plots and trends in Python. Untimed.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralChemistry by Computer
Ten questions on reading and predicting chemistry programs. Untimed.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralData Analysis with pandas
Ten questions on tables, missing values, groups, joins and log-log graphs. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralSimulation and Randomness
Ten questions on random numbers, Monte Carlo, random walks and uncertainty. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralCalculus by Computer
Ten questions on slopes, areas and Euler's method. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralSolving Equations
Ten questions on bisection, Newton's method, polynomials and systems of equations. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralGraphs with matplotlib
Ten questions on drawing and choosing graphs. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralNumPy Arrays
Ten questions on arrays, formulas on arrays, masks and tables. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralTesting and Debugging
Ten questions on tests and on finding bugs. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralData Structures
Ten questions on stacks, queues, linked lists, trees and graphs. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralComprehensions, Iterators and Generators
Ten questions on comprehensions, iterators and generators. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralFiles and Data Formats
Ten questions on text files, CSV and JSON. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralInheritance and Special MethodsClasses and Objects
Ten questions on inheritance, overriding, special methods and composition. One asks you to find a mistake.
10 questions
High School (11–12)High School (9–10)UndergraduateGeneralClasses and Objects
Ten questions on classes, objects, self, attributes and methods. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralEssentials ProjectsDictionariesErrors and ExceptionsText Processing
Ten questions on the three projects and on putting tools together. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralText Processing
Ten questions on split, join, cleaning text and simple codes. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralRecursion
Ten questions on recursion, base cases and the call stack. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralSearching and Sorting
Ten questions on linear search, binary search and sorting. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralModules and Libraries
Ten questions on import, math, random and statistics. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralErrors and Exceptions
Ten questions on the names of errors and on try and except. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralTuples and Sets
Ten questions on tuples, sets and set operations. One asks you to find a mistake.
10 questions
High School (9–10)High School (11–12)UndergraduateGeneralDictionaries
Ten questions on keys, values, get() and counting. One asks you to find a mistake.
10 questions
Middle Stage (6–8)High School (9–10)High School (11–12)UndergraduateGeneralMini Projects
Ten questions on random numbers, the quiz, the grade book and finding faults. Two ask you to find a mistake.
10 questions
Middle Stage (6–8)High School (9–10)High School (11–12)UndergraduateGeneralFunctions
Ten questions on defining and calling functions, parameters and return. One asks you to find a mistake.
10 questions
Middle Stage (6–8)High School (9–10)High School (11–12)UndergraduateGeneralLists
Ten questions on reading and changing lists. One asks you to find a mistake.
10 questions