Update difference.md

This commit is contained in:
Angelos Chalaris
2019-08-19 14:02:59 +03:00
committed by GitHub
parent a5124253f1
commit 2574fa0c6b

View File

@ -2,7 +2,7 @@
Returns the difference between two iterables.
Use list comprehension to only keep values not contained in `b`. Use set to test `in` in `O(1)` time.
Use list comprehension to only keep values not contained in `b`.
```python
def difference(a, b):