List Challenges

Test your list manipulation skills!

Challenge 1: Second Largest

Challenge 2: Remove Duplicates

Challenge 3: Rotate List

Challenge 4: Merge Sorted Lists

Challenge 5: Intersection

Challenge 6: Flatten Nested List

Challenge 7: Group by Parity

Challenge 8: Running Sum

Challenge 9: Chunk List

Challenge 10: Two Sum

Practice Playground

Key Concepts Used

• List slicing and concatenation
• Set operations for uniqueness
• List comprehensions with conditions
• Dictionary for tracking values
• enumerate() for indices