Python: Calculate the difference between two iterables, without filtering duplicate values
Python List: Exercise - 247 with Solution
Write a Python program to calculate the difference between two iterables, without filtering duplicate values.
- Create a set from y.
- Use a list comprehension on x to only keep values not contained in the previously created set, _y.
def difference(x, y): _y = set(y) return [item for item in x if item not in _y] print(difference([1, 2, 3], [1, 2, 4]))
Visualize Python code execution:
The following tool visualize what the computer is doing step-by-step as it executes the said program:
Python Code Editor:
Have another way to solve this solution? Contribute your code (and comments) through Disqus.
Previous: Write a Python program to check if a given function returns True for at least one element in the list.
Next: Write a Python program to get the maximum value of a list, after mapping each element to a value using a given function.
What is the difficulty level of this exercise?
Test your Python skills with w3resource's quiz
Python: Tips of the Day
Big Number Readability:
you can separate zeros with underscore (_)
print(2_000_000) print(2_000_000 +1)
- New Content published on w3resource:
- Scala Programming Exercises, Practice, Solution
- Python Itertools exercises
- Python Numpy exercises
- Python GeoPy Package exercises
- Python Pandas exercises
- Python nltk exercises
- Python BeautifulSoup exercises
- Form Template
- Composer - PHP Package Manager
- PHPUnit - PHP Testing
- Laravel - PHP Framework