Compute list difference

by

If the order does not matter, you can simply calculate the set difference:

>>> set([1,2,3,4]) - set([2,5])
set([1, 4, 3])
>>> set([2,5]) - set([1,2,3,4])
set([5])

More Related Contents:

  1. Append cumulative list of lists python
  2. How to find all occurrences of an element in a list
  3. How to check if a string is a substring of items in a list of strings?
  4. How to split a list based on a condition?
  5. Finding max value in the second column of a nested list?
  6. Why does foo.append(bar) affect all elements in a list of lists?
  7. list to dictionary conversion with multiple values per key?
  8. How to get the nth element of a python list or a default if not available
  9. Python – TypeError: ‘int’ object is not iterable
  10. How do I split a string into a list?
  11. Why doesn’t list have safe “get” method like dictionary?
  12. Explicitly select items from a list or tuple
  13. How do I prepend to a short python list?
  14. Python: why does my list change when I’m not actually changing it?
  15. Does python have a sorted list?
  16. Summing elements in a list
  17. “unstack” a pandas column containing lists into multiple rows [duplicate]
  18. Break string into list of characters in Python [duplicate]
  19. How to make a custom object iterable?
  20. Getting a default value on index out of range in Python [duplicate]
  21. How to access the elements of a 2D array?
  22. Why does a for-loop with pop-method (or del statement) not iterate over all list elements [duplicate]
  23. How to create a list of objects?
  24. List of Tuples to DataFrame Conversion [duplicate]
  25. Why does using multiplication operator on list create list of pointers? [duplicate]
  26. Remove dictionary from list
  27. Determine if 2 lists have the same elements, regardless of order? [duplicate]
  28. Iterate through adjacent pairs of items in a Python list [duplicate]
  29. Python The appended element in the list changes as its original variable changes
  30. sys.getsizeof(list) returns less than the sum of its elements

Leave a Comment