primeiro commit com exercicios de Exercism realizados até esta data
This commit is contained in:
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{
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"authors": [
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"betegelse"
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],
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"contributors": [
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"anunciado",
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"behrtam",
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"cmccandless",
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"csabella",
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"Dog",
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"dvermd",
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"Grociu",
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"ikhadykin",
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"kytrinyx",
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"N-Parsons",
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"patricksjackson",
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"Peque",
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"pheanex",
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"sjakobi",
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"tqa236"
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],
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"files": {
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"solution": [
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"sublist.py"
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],
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"test": [
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"sublist_test.py"
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],
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"example": [
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".meta/example.py"
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]
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},
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"blurb": "Write a function to determine if a list is a sublist of another list."
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}
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{"track":"python","exercise":"sublist","id":"30eabe87f0e742059c8a8edf10db46d5","url":"https://exercism.org/tracks/python/exercises/sublist","handle":"sanctushck","is_requester":true,"auto_approve":false}
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# Help
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## Running the tests
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We use [pytest][pytest: Getting Started Guide] as our website test runner.
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You will need to install `pytest` on your development machine if you want to run tests for the Python track locally.
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You should also install the following `pytest` plugins:
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- [pytest-cache][pytest-cache]
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- [pytest-subtests][pytest-subtests]
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Extended information can be found in our website [Python testing guide][Python track tests page].
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### Running Tests
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To run the included tests, navigate to the folder where the exercise is stored using `cd` in your terminal (_replace `{exercise-folder-location}` below with your path_).
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Test files usually end in `_test.py`, and are the same tests that run on the website when a solution is uploaded.
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Linux/MacOS
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```bash
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$ cd {path/to/exercise-folder-location}
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```
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Windows
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```powershell
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PS C:\Users\foobar> cd {path\to\exercise-folder-location}
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```
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<br>
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Next, run the `pytest` command in your terminal, replacing `{exercise_test.py}` with the name of the test file:
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Linux/MacOS
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```bash
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$ python3 -m pytest -o markers=task {exercise_test.py}
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==================== 7 passed in 0.08s ====================
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```
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Windows
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```powershell
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PS C:\Users\foobar> py -m pytest -o markers=task {exercise_test.py}
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==================== 7 passed in 0.08s ====================
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```
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### Common options
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- `-o` : override default `pytest.ini` (_you can use this to avoid marker warnings_)
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- `-v` : enable verbose output.
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- `-x` : stop running tests on first failure.
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- `--ff` : run failures from previous test before running other test cases.
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For additional options, use `python3 -m pytest -h` or `py -m pytest -h`.
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### Fixing warnings
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If you do not use `pytest -o markers=task` when invoking `pytest`, you might receive a `PytestUnknownMarkWarning` for tests that use our new syntax:
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```bash
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PytestUnknownMarkWarning: Unknown pytest.mark.task - is this a typo? You can register custom marks to avoid this warning - for details, see https://docs.pytest.org/en/stable/mark.html
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```
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To avoid typing `pytest -o markers=task` for every test you run, you can use a `pytest.ini` configuration file.
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We have made one that can be downloaded from the top level of the Python track directory: [pytest.ini][pytest.ini].
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You can also create your own `pytest.ini` file with the following content:
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```ini
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[pytest]
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markers =
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task: A concept exercise task.
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```
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Placing the `pytest.ini` file in the _root_ or _working_ directory for your Python track exercises will register the marks and stop the warnings.
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More information on pytest marks can be found in the `pytest` documentation on [marking test functions][pytest: marking test functions with attributes] and the `pytest` documentation on [working with custom markers][pytest: working with custom markers].
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Information on customizing pytest configurations can be found in the `pytest` documentation on [configuration file formats][pytest: configuration file formats].
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### Extending your IDE or Code Editor
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Many IDEs and code editors have built-in support for using `pytest` and other code quality tools.
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Some community-sourced options can be found on our [Python track tools page][Python track tools page].
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[Pytest: Getting Started Guide]: https://docs.pytest.org/en/latest/getting-started.html
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[Python track tools page]: https://exercism.org/docs/tracks/python/tools
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[Python track tests page]: https://exercism.org/docs/tracks/python/tests
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[pytest-cache]:http://pythonhosted.org/pytest-cache/
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[pytest-subtests]:https://github.com/pytest-dev/pytest-subtests
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[pytest.ini]: https://github.com/exercism/python/blob/main/pytest.ini
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[pytest: configuration file formats]: https://docs.pytest.org/en/6.2.x/customize.html#configuration-file-formats
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[pytest: marking test functions with attributes]: https://docs.pytest.org/en/6.2.x/mark.html#raising-errors-on-unknown-marks
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[pytest: working with custom markers]: https://docs.pytest.org/en/6.2.x/example/markers.html#working-with-custom-markers
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## Submitting your solution
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You can submit your solution using the `exercism submit sublist.py` command.
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This command will upload your solution to the Exercism website and print the solution page's URL.
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It's possible to submit an incomplete solution which allows you to:
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- See how others have completed the exercise
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- Request help from a mentor
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## Need to get help?
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If you'd like help solving the exercise, check the following pages:
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- The [Python track's documentation](https://exercism.org/docs/tracks/python)
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- The [Python track's programming category on the forum](https://forum.exercism.org/c/programming/python)
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- [Exercism's programming category on the forum](https://forum.exercism.org/c/programming/5)
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- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs)
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Should those resources not suffice, you could submit your (incomplete) solution to request mentoring.
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Below are some resources for getting help if you run into trouble:
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- [The PSF](https://www.python.org) hosts Python downloads, documentation, and community resources.
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- [The Exercism Community on Discord](https://exercism.org/r/discord)
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- [Python Community on Discord](https://pythondiscord.com/) is a very helpful and active community.
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- [/r/learnpython/](https://www.reddit.com/r/learnpython/) is a subreddit designed for Python learners.
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- [#python on Libera.chat](https://www.python.org/community/irc/) this is where the core developers for the language hang out and get work done.
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- [Python Community Forums](https://discuss.python.org/)
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- [Free Code Camp Community Forums](https://forum.freecodecamp.org/)
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- [CodeNewbie Community Help Tag](https://community.codenewbie.org/t/help)
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- [Pythontutor](http://pythontutor.com/) for stepping through small code snippets visually.
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Additionally, [StackOverflow](http://stackoverflow.com/questions/tagged/python) is a good spot to search for your problem/question to see if it has been answered already.
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If not - you can always [ask](https://stackoverflow.com/help/how-to-ask) or [answer](https://stackoverflow.com/help/how-to-answer) someone else's question.
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# Sublist
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Welcome to Sublist on Exercism's Python Track.
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If you need help running the tests or submitting your code, check out `HELP.md`.
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## Instructions
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Given any two lists `A` and `B`, determine if:
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- List `A` is equal to list `B`; or
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- List `A` contains list `B` (`A` is a superlist of `B`); or
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- List `A` is contained by list `B` (`A` is a sublist of `B`); or
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- None of the above is true, thus lists `A` and `B` are unequal
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Specifically, list `A` is equal to list `B` if both lists have the same values in the same order.
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List `A` is a superlist of `B` if `A` contains a contiguous sub-sequence of values equal to `B`.
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List `A` is a sublist of `B` if `B` contains a contiguous sub-sequence of values equal to `A`.
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Examples:
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- If `A = []` and `B = []` (both lists are empty), then `A` and `B` are equal
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- If `A = [1, 2, 3]` and `B = []`, then `A` is a superlist of `B`
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- If `A = []` and `B = [1, 2, 3]`, then `A` is a sublist of `B`
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- If `A = [1, 2, 3]` and `B = [1, 2, 3, 4, 5]`, then `A` is a sublist of `B`
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- If `A = [3, 4, 5]` and `B = [1, 2, 3, 4, 5]`, then `A` is a sublist of `B`
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- If `A = [3, 4]` and `B = [1, 2, 3, 4, 5]`, then `A` is a sublist of `B`
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- If `A = [1, 2, 3]` and `B = [1, 2, 3]`, then `A` and `B` are equal
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- If `A = [1, 2, 3, 4, 5]` and `B = [2, 3, 4]`, then `A` is a superlist of `B`
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- If `A = [1, 2, 4]` and `B = [1, 2, 3, 4, 5]`, then `A` and `B` are unequal
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- If `A = [1, 2, 3]` and `B = [1, 3, 2]`, then `A` and `B` are unequal
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## Source
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### Created by
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- @betegelse
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### Contributed to by
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- @anunciado
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- @behrtam
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- @cmccandless
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- @csabella
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- @Dog
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- @dvermd
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- @Grociu
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- @ikhadykin
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- @kytrinyx
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- @N-Parsons
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- @patricksjackson
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- @Peque
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- @pheanex
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- @sjakobi
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- @tqa236
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"""
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This exercise stub and the test suite contain several enumerated constants.
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Enumerated constants can be done with a NAME assigned to an arbitrary,
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but unique value. An integer is traditionally used because it’s memory
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efficient.
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It is a common practice to export both constants and functions that work with
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those constants (ex. the constants in the os, subprocess and re modules).
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You can learn more here: https://en.wikipedia.org/wiki/Enumerated_type
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"""
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# Possible sublist categories.
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# Change the values as you see fit.
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SUBLIST = 1
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SUPERLIST = 2
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EQUAL = 3
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UNEQUAL = 4
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def sublist(list_one: list, list_two: list):
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# test for equality of lists
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if list_one == list_two:
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return EQUAL
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# test for list_one is a sublist of list_two
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if len(list_one) < len(list_two):
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if any(
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list_two[i : i + len(list_one)] == list_one
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for i in range(len(list_two) - len(list_one) + 1)
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):
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return SUBLIST
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# test for list_one is a superlist of list_two
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if len(list_one) > len(list_two):
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if any(
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list_one[i : i + len(list_two)] == list_two
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for i in range(len(list_one) - len(list_two) + 1)
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):
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return SUPERLIST
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# previous tests failed, so lists are UNEQUAL
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return UNEQUAL
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# These tests are auto-generated with test data from:
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# https://github.com/exercism/problem-specifications/tree/main/exercises/sublist/canonical-data.json
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# File last updated on 2023-07-19
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import unittest
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from sublist import (
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sublist,
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SUBLIST,
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SUPERLIST,
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EQUAL,
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UNEQUAL,
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)
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class SublistTest(unittest.TestCase):
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def test_empty_lists(self):
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self.assertEqual(sublist([], []), EQUAL)
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def test_empty_list_within_non_empty_list(self):
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self.assertEqual(sublist([], [1, 2, 3]), SUBLIST)
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def test_non_empty_list_contains_empty_list(self):
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self.assertEqual(sublist([1, 2, 3], []), SUPERLIST)
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def test_list_equals_itself(self):
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self.assertEqual(sublist([1, 2, 3], [1, 2, 3]), EQUAL)
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def test_different_lists(self):
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self.assertEqual(sublist([1, 2, 3], [2, 3, 4]), UNEQUAL)
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def test_false_start(self):
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self.assertEqual(sublist([1, 2, 5], [0, 1, 2, 3, 1, 2, 5, 6]), SUBLIST)
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def test_consecutive(self):
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self.assertEqual(sublist([1, 1, 2], [0, 1, 1, 1, 2, 1, 2]), SUBLIST)
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def test_sublist_at_start(self):
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self.assertEqual(sublist([0, 1, 2], [0, 1, 2, 3, 4, 5]), SUBLIST)
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def test_sublist_in_middle(self):
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self.assertEqual(sublist([2, 3, 4], [0, 1, 2, 3, 4, 5]), SUBLIST)
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def test_sublist_at_end(self):
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self.assertEqual(sublist([3, 4, 5], [0, 1, 2, 3, 4, 5]), SUBLIST)
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def test_at_start_of_superlist(self):
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self.assertEqual(sublist([0, 1, 2, 3, 4, 5], [0, 1, 2]), SUPERLIST)
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def test_in_middle_of_superlist(self):
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self.assertEqual(sublist([0, 1, 2, 3, 4, 5], [2, 3]), SUPERLIST)
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def test_at_end_of_superlist(self):
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self.assertEqual(sublist([0, 1, 2, 3, 4, 5], [3, 4, 5]), SUPERLIST)
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def test_first_list_missing_element_from_second_list(self):
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self.assertEqual(sublist([1, 3], [1, 2, 3]), UNEQUAL)
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def test_second_list_missing_element_from_first_list(self):
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self.assertEqual(sublist([1, 2, 3], [1, 3]), UNEQUAL)
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def test_first_list_missing_additional_digits_from_second_list(self):
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self.assertEqual(sublist([1, 2], [1, 22]), UNEQUAL)
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def test_order_matters_to_a_list(self):
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self.assertEqual(sublist([1, 2, 3], [3, 2, 1]), UNEQUAL)
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def test_same_digits_but_different_numbers(self):
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self.assertEqual(sublist([1, 0, 1], [10, 1]), UNEQUAL)
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# Additional tests for this track
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def test_unique_return_values(self):
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self.assertEqual(len(set([SUBLIST, SUPERLIST, EQUAL, UNEQUAL])), 4)
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def test_inner_spaces(self):
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self.assertEqual(sublist(["a c"], ["a", "c"]), UNEQUAL)
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def test_large_lists(self):
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self.assertEqual(
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sublist(
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list(range(1000)) * 1000 + list(range(1000, 1100)),
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list(range(900, 1050)),
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),
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SUPERLIST,
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)
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def test_spread_sublist(self):
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self.assertEqual(
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sublist(list(range(3, 200, 3)), list(range(15, 200, 15))), UNEQUAL
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)
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