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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Write a lambda function that doubles a given number.
💡 Hint: Think about how you would multiply a number by 2.
Question 2
Easy
What does the following code return? list(map(lambda x: x + 1, [1, 2, 3]))?
💡 Hint: Consider what happens when you add 1 to each element.
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
What is the primary purpose of a lambda function in Python?
- To create named functions
- To create anonymous functions
- To create variables
💡 Hint: Remember, they are called 'anonymous' for a reason!
Question 2
True or False: Lambda functions can take multiple arguments.
- True
- False
💡 Hint: Think about your previous examples with multiple inputs.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a lambda function that takes a list of strings and returns a list with only the strings that have more than 3 characters.
💡 Hint: How do you measure the length of a string?
Question 2
Write a function using lambda to sort a list of tuples based on the second element and demonstrate it with a list of tuples (number, name).
💡 Hint: Remember how to access tuple elements.
Challenge and get performance evaluation