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1. Sum of List Elements2. Largest Element in List3. Smallest Element in List4. Count Occurrences in List5. Remove Duplicates from List6. Merge Two Lists7. Intersection of Lists8. Union of Lists9. Sort List10. Reverse List11. Check if List is Sorted12. Find Second Largest Element13. Find N Largest Elements14. Clone / Copy List15. Rotate List16. Remove Empty Lists17. Flatten Nested List18. Find Common Elements of Two Lists19. List Slicing Programs20. Replace List Elements21. Remove Element by Value22. Count Prime Numbers in List23. Pair Sum Problem24. Unique Elements from Both Lists25. List Difference

Remove Empty Lists in Python

Remove empty sublists from a list of lists.

BeginnerList ProgramsExample 16 of 25
remove-empty-lists.py
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1# Program to remove empty lists from a list
2

3items = eval(input("Enter a list of lists (e.g., [[], [1], [], [2, 3]]): "))
4

5filtered = [x for x in items if x]
6

7print("After removing empty lists:", filtered)

Output

Enter a list of lists (e.g., [[], [1], [], [2, 3]]): [[], [1], [], [2, 3]]
After removing empty lists: [[1], [2, 3]]

What's going on

An empty list is falsy, so we filter on truthiness to keep only non-empty lists.

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