Practice Dictionaries vs Lists - 23.1.13 | 23. Tuples and dictionaries | Data Structures and Algorithms in Python
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main difference between a list and a tuple?

πŸ’‘ Hint: Think about whether you can change the elements after creation.

Question 2

Easy

How do you access the first element in a list?

πŸ’‘ Hint: List indices start at zero.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which of the following is a mutable data structure in Python?

  • Tuple
  • List
  • String

πŸ’‘ Hint: Remember which structures you can change.

Question 2

True or False: A dictionary can use a list as a key.

  • True
  • False

πŸ’‘ Hint: Consider the definition of dictionary keys.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a program that tracks multiple students' grades across several subjects using dictionaries. How will you implement nested dictionaries?

πŸ’‘ Hint: Think about how to set up keys for subjects that each contain a sub-dictionary of students.

Question 2

Imagine you need to update a player's score in a list and a dictionary. Compare the methods you'd use for both, and code each scenario.

πŸ’‘ Hint: Consider the structures involved and how you address them.

Challenge and get performance evaluation