diff --git a/isogram/.exercism/config.json b/isogram/.exercism/config.json new file mode 100644 index 0000000..302b30a --- /dev/null +++ b/isogram/.exercism/config.json @@ -0,0 +1,33 @@ +{ + "authors": [ + "behrtam" + ], + "contributors": [ + "abhijitparida", + "cmccandless", + "Dog", + "ikhadykin", + "N-Parsons", + "Nishant23", + "olufotebig", + "rever0f", + "sdublish", + "thomasjpfan", + "tqa236", + "yawpitch" + ], + "files": { + "solution": [ + "isogram.py" + ], + "test": [ + "isogram_test.py" + ], + "example": [ + ".meta/example.py" + ] + }, + "blurb": "Determine if a word or phrase is an isogram.", + "source": "Wikipedia", + "source_url": "https://en.wikipedia.org/wiki/Isogram" +} diff --git a/isogram/.exercism/metadata.json b/isogram/.exercism/metadata.json new file mode 100644 index 0000000..b09451b --- /dev/null +++ b/isogram/.exercism/metadata.json @@ -0,0 +1 @@ +{"track":"python","exercise":"isogram","id":"25ac21afe50649b1997ad54abe10b08d","url":"https://exercism.org/tracks/python/exercises/isogram","handle":"myFirstCode","is_requester":true,"auto_approve":false} \ No newline at end of file diff --git a/isogram/HELP.md b/isogram/HELP.md new file mode 100644 index 0000000..f0ebb96 --- /dev/null +++ b/isogram/HELP.md @@ -0,0 +1,130 @@ +# Help + +## Running the tests + +We use [pytest][pytest: Getting Started Guide] as our website test runner. +You will need to install `pytest` on your development machine if you want to run tests for the Python track locally. +You should also install the following `pytest` plugins: + +- [pytest-cache][pytest-cache] +- [pytest-subtests][pytest-subtests] + +Extended information can be found in our website [Python testing guide][Python track tests page]. + + +### Running Tests + +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_). +Test files usually end in `_test.py`, and are the same tests that run on the website when a solution is uploaded. + +Linux/MacOS +```bash +$ cd {path/to/exercise-folder-location} +``` + +Windows +```powershell +PS C:\Users\foobar> cd {path\to\exercise-folder-location} +``` + +
+ +Next, run the `pytest` command in your terminal, replacing `{exercise_test.py}` with the name of the test file: + +Linux/MacOS +```bash +$ python3 -m pytest -o markers=task {exercise_test.py} +==================== 7 passed in 0.08s ==================== +``` + +Windows +```powershell +PS C:\Users\foobar> py -m pytest -o markers=task {exercise_test.py} +==================== 7 passed in 0.08s ==================== +``` + + +### Common options +- `-o` : override default `pytest.ini` (_you can use this to avoid marker warnings_) +- `-v` : enable verbose output. +- `-x` : stop running tests on first failure. +- `--ff` : run failures from previous test before running other test cases. + +For additional options, use `python3 -m pytest -h` or `py -m pytest -h`. + + +### Fixing warnings + +If you do not use `pytest -o markers=task` when invoking `pytest`, you might receive a `PytestUnknownMarkWarning` for tests that use our new syntax: + +```bash +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 +``` + +To avoid typing `pytest -o markers=task` for every test you run, you can use a `pytest.ini` configuration file. +We have made one that can be downloaded from the top level of the Python track directory: [pytest.ini][pytest.ini]. + +You can also create your own `pytest.ini` file with the following content: + +```ini +[pytest] +markers = + task: A concept exercise task. +``` + +Placing the `pytest.ini` file in the _root_ or _working_ directory for your Python track exercises will register the marks and stop the warnings. +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]. + +Information on customizing pytest configurations can be found in the `pytest` documentation on [configuration file formats][pytest: configuration file formats]. + + +### Extending your IDE or Code Editor + +Many IDEs and code editors have built-in support for using `pytest` and other code quality tools. +Some community-sourced options can be found on our [Python track tools page][Python track tools page]. + +[Pytest: Getting Started Guide]: https://docs.pytest.org/en/latest/getting-started.html +[Python track tools page]: https://exercism.org/docs/tracks/python/tools +[Python track tests page]: https://exercism.org/docs/tracks/python/tests +[pytest-cache]:http://pythonhosted.org/pytest-cache/ +[pytest-subtests]:https://github.com/pytest-dev/pytest-subtests +[pytest.ini]: https://github.com/exercism/python/blob/main/pytest.ini +[pytest: configuration file formats]: https://docs.pytest.org/en/6.2.x/customize.html#configuration-file-formats +[pytest: marking test functions with attributes]: https://docs.pytest.org/en/6.2.x/mark.html#raising-errors-on-unknown-marks +[pytest: working with custom markers]: https://docs.pytest.org/en/6.2.x/example/markers.html#working-with-custom-markers + +## Submitting your solution + +You can submit your solution using the `exercism submit isogram.py` command. +This command will upload your solution to the Exercism website and print the solution page's URL. + +It's possible to submit an incomplete solution which allows you to: + +- See how others have completed the exercise +- Request help from a mentor + +## Need to get help? + +If you'd like help solving the exercise, check the following pages: + +- The [Python track's documentation](https://exercism.org/docs/tracks/python) +- The [Python track's programming category on the forum](https://forum.exercism.org/c/programming/python) +- [Exercism's programming category on the forum](https://forum.exercism.org/c/programming/5) +- The [Frequently Asked Questions](https://exercism.org/docs/using/faqs) + +Should those resources not suffice, you could submit your (incomplete) solution to request mentoring. + +Below are some resources for getting help if you run into trouble: + +- [The PSF](https://www.python.org) hosts Python downloads, documentation, and community resources. +- [The Exercism Community on Discord](https://exercism.org/r/discord) +- [Python Community on Discord](https://pythondiscord.com/) is a very helpful and active community. +- [/r/learnpython/](https://www.reddit.com/r/learnpython/) is a subreddit designed for Python learners. +- [#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. +- [Python Community Forums](https://discuss.python.org/) +- [Free Code Camp Community Forums](https://forum.freecodecamp.org/) +- [CodeNewbie Community Help Tag](https://community.codenewbie.org/t/help) +- [Pythontutor](http://pythontutor.com/) for stepping through small code snippets visually. + +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. + 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. \ No newline at end of file diff --git a/isogram/README.md b/isogram/README.md new file mode 100644 index 0000000..1472a36 --- /dev/null +++ b/isogram/README.md @@ -0,0 +1,44 @@ +# Isogram + +Welcome to Isogram on Exercism's Python Track. +If you need help running the tests or submitting your code, check out `HELP.md`. + +## Instructions + +Determine if a word or phrase is an isogram. + +An isogram (also known as a "non-pattern word") is a word or phrase without a repeating letter, however spaces and hyphens are allowed to appear multiple times. + +Examples of isograms: + +- lumberjacks +- background +- downstream +- six-year-old + +The word _isograms_, however, is not an isogram, because the s repeats. + +## Source + +### Created by + +- @behrtam + +### Contributed to by + +- @abhijitparida +- @cmccandless +- @Dog +- @ikhadykin +- @N-Parsons +- @Nishant23 +- @olufotebig +- @rever0f +- @sdublish +- @thomasjpfan +- @tqa236 +- @yawpitch + +### Based on + +Wikipedia - https://en.wikipedia.org/wiki/Isogram \ No newline at end of file diff --git a/isogram/isogram.py b/isogram/isogram.py new file mode 100644 index 0000000..126157d --- /dev/null +++ b/isogram/isogram.py @@ -0,0 +1,39 @@ +""" +Isogram. + +Determine if a word or phrase is an isogram. + +An isogram (also known as a "non-pattern word") is a word or phrase +without a repeating letter, however spaces and hyphens are allowed +to appear multiple times. + +Examples of isograms: + +lumberjacks +background +downstream +six-year-old + +The word isograms, however, is not an isogram, because the s repeats. +""" + + +def is_isogram(string: str) -> bool: + """ + Determine if a word or phrase is an isogram. + + An isogram is a word or phrase without repeating letters. Spaces and hyphens + are allowed to appear multiple times, but alphabetic characters must be unique + (case-insensitive). + + :param string: The word or phrase to check + :type string: str + :returns: True if the string is an isogram, False otherwise + :rtype: bool + """ + # empty string + if not string: + return True + + letters: list[str] = [char for char in string.lower() if char.isalpha()] + return len(letters) == len(set(letters)) diff --git a/isogram/isogram_test.py b/isogram/isogram_test.py new file mode 100644 index 0000000..c65984f --- /dev/null +++ b/isogram/isogram_test.py @@ -0,0 +1,53 @@ +# These tests are auto-generated with test data from: +# https://github.com/exercism/problem-specifications/tree/main/exercises/isogram/canonical-data.json +# File last updated on 2023-07-19 + +import unittest + +from isogram import ( + is_isogram, +) + + +class IsogramTest(unittest.TestCase): + def test_empty_string(self): + self.assertIs(is_isogram(""), True) + + def test_isogram_with_only_lower_case_characters(self): + self.assertIs(is_isogram("isogram"), True) + + def test_word_with_one_duplicated_character(self): + self.assertIs(is_isogram("eleven"), False) + + def test_word_with_one_duplicated_character_from_the_end_of_the_alphabet(self): + self.assertIs(is_isogram("zzyzx"), False) + + def test_longest_reported_english_isogram(self): + self.assertIs(is_isogram("subdermatoglyphic"), True) + + def test_word_with_duplicated_character_in_mixed_case(self): + self.assertIs(is_isogram("Alphabet"), False) + + def test_word_with_duplicated_character_in_mixed_case_lowercase_first(self): + self.assertIs(is_isogram("alphAbet"), False) + + def test_hypothetical_isogrammic_word_with_hyphen(self): + self.assertIs(is_isogram("thumbscrew-japingly"), True) + + def test_hypothetical_word_with_duplicated_character_following_hyphen(self): + self.assertIs(is_isogram("thumbscrew-jappingly"), False) + + def test_isogram_with_duplicated_hyphen(self): + self.assertIs(is_isogram("six-year-old"), True) + + def test_made_up_name_that_is_an_isogram(self): + self.assertIs(is_isogram("Emily Jung Schwartzkopf"), True) + + def test_duplicated_character_in_the_middle(self): + self.assertIs(is_isogram("accentor"), False) + + def test_same_first_and_last_characters(self): + self.assertIs(is_isogram("angola"), False) + + def test_word_with_duplicated_character_and_with_two_hyphens(self): + self.assertIs(is_isogram("up-to-date"), False) diff --git a/solutions/python/isogram/1/isogram.py b/solutions/python/isogram/1/isogram.py new file mode 100644 index 0000000..98b31c5 --- /dev/null +++ b/solutions/python/isogram/1/isogram.py @@ -0,0 +1,2 @@ +def is_isogram(string): + pass