Practice Initialization With List Comprehension (25.5) - List Comprehension
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Initialization with List Comprehension

Practice - Initialization with List Comprehension

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Create a list of even numbers from 0 to 20 using list comprehension.

💡 Hint: Think about how the iteration and condition are structured.

Question 2 Easy

Use map to convert a list of strings to their lengths: ['Python', 'is', 'fun'].

💡 Hint: What function can we use to apply to each string?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What will list(map(str, [1, 2, 3])) return?

['1'
'2'
'3']
['1'
2
3]
[1
2
3]

💡 Hint: Think about the function being applied.

Question 2

Using list comprehension to create even squares: result = [x**2 for x in range(10) if x % 2 == 0]. How many items will result contain?

True
False

💡 Hint: Count how many even squares below 10 are there.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Using list comprehension, create a list of tuples containing the squares of numbers from 1 to 10 along with a boolean indicating if they are even.

💡 Hint: Consider how to structure the tuple comprising square and boolean.

Challenge 2 Hard

Write a comprehension that generates a list of unique characters from a string, only including alphabetical characters.

💡 Hint: How do you filter and ensure uniqueness?

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Reference links

Supplementary resources to enhance your learning experience.