From 9d20401d306930a0b161a605e89bf70e55f78284 Mon Sep 17 00:00:00 2001 From: Brendan Chen Date: Sun, 8 Feb 2026 17:06:29 -0800 Subject: [PATCH] Update paths and actually add files --- .gitignore | 176 ++++++++++++++++++ shared/notes-and-examples/2026.01.21/main.py | 25 +++ .../2026.01.28/full_linked_list.py | 35 ++++ shared/notes-and-examples/2026.01.28/main.py | 51 +++++ .../object_array_reference_sample.py | 0 .../2026.01.28/object_reference_sample.py | 8 + shared/notes-and-examples/2026.02.04/main.py | 13 ++ .../README.md | 0 8 files changed, 308 insertions(+) create mode 100644 .gitignore create mode 100644 shared/notes-and-examples/2026.01.21/main.py create mode 100644 shared/notes-and-examples/2026.01.28/full_linked_list.py create mode 100644 shared/notes-and-examples/2026.01.28/main.py create mode 100644 shared/notes-and-examples/2026.01.28/object_array_reference_sample.py create mode 100644 shared/notes-and-examples/2026.01.28/object_reference_sample.py create mode 100644 shared/notes-and-examples/2026.02.04/main.py rename shared/{data-structures-tutoring => notes-and-examples}/README.md (100%) diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b1dd850 --- /dev/null +++ b/.gitignore @@ -0,0 +1,176 @@ +# Byte-compiled / optimized / DLL files +__pycache__/ +*.py[cod] +*$py.class + +# C extensions +*.so + +# Distribution / packaging +.Python +build/ +develop-eggs/ +dist/ +downloads/ +eggs/ +.eggs/ +lib/ +lib64/ +parts/ +sdist/ +var/ +wheels/ +share/python-wheels/ +*.egg-info/ +.installed.cfg +*.egg +MANIFEST + +# PyInstaller +# Usually these files are written by a python script from a template +# before PyInstaller builds the exe, so as to inject date/other infos into it. +*.manifest +*.spec + +# Installer logs +pip-log.txt +pip-delete-this-directory.txt + +# Unit test / coverage reports +htmlcov/ +.tox/ +.nox/ +.coverage +.coverage.* +.cache +nosetests.xml +coverage.xml +*.cover +*.py,cover +.hypothesis/ +.pytest_cache/ +cover/ + +# Translations +*.mo +*.pot + +# Django stuff: +*.log +local_settings.py +db.sqlite3 +db.sqlite3-journal + +# Flask stuff: +instance/ +.webassets-cache + +# Scrapy stuff: +.scrapy + +# Sphinx documentation +docs/_build/ + +# PyBuilder +.pybuilder/ +target/ + +# Jupyter Notebook +.ipynb_checkpoints + +# IPython +profile_default/ +ipython_config.py + +# pyenv +# For a library or package, you might want to ignore these files since the code is +# intended to run in multiple environments; otherwise, check them in: +# .python-version + +# pipenv +# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control. +# However, in case of collaboration, if having platform-specific dependencies or dependencies +# having no cross-platform support, pipenv may install dependencies that don't work, or not +# install all needed dependencies. +#Pipfile.lock + +# UV +# Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control. +# This is especially recommended for binary packages to ensure reproducibility, and is more +# commonly ignored for libraries. +#uv.lock + +# poetry +# Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control. +# This is especially recommended for binary packages to ensure reproducibility, and is more +# commonly ignored for libraries. +# https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control +#poetry.lock + +# pdm +# Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control. +#pdm.lock +# pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it +# in version control. +# https://pdm.fming.dev/latest/usage/project/#working-with-version-control +.pdm.toml +.pdm-python +.pdm-build/ + +# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm +__pypackages__/ + +# Celery stuff +celerybeat-schedule +celerybeat.pid + +# SageMath parsed files +*.sage.py + +# Environments +.env +.venv +env/ +venv/ +ENV/ +env.bak/ +venv.bak/ + +# Spyder project settings +.spyderproject +.spyproject + +# Rope project settings +.ropeproject + +# mkdocs documentation +/site + +# mypy +.mypy_cache/ +.dmypy.json +dmypy.json + +# Pyre type checker +.pyre/ + +# pytype static type analyzer +.pytype/ + +# Cython debug symbols +cython_debug/ + +# PyCharm +# JetBrains specific template is maintained in a separate JetBrains.gitignore that can +# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore +# and can be added to the global gitignore or merged into this file. For a more nuclear +# option (not recommended) you can uncomment the following to ignore the entire idea folder. +#.idea/ + +# Ruff stuff: +.ruff_cache/ + +# PyPI configuration file +.pypirc + +.DS_Store diff --git a/shared/notes-and-examples/2026.01.21/main.py b/shared/notes-and-examples/2026.01.21/main.py new file mode 100644 index 0000000..a69ab6f --- /dev/null +++ b/shared/notes-and-examples/2026.01.21/main.py @@ -0,0 +1,25 @@ +def bubble_sort_example(): + numbers = [5, 24, 18, 95, 45, 502, 1] + + for i in range(len(numbers)): + for j in range(i, len(numbers)): + if numbers[i] > numbers[j]: + numbers[j], numbers[i] = numbers[i], numbers[j] + + + print(numbers) + +def insertion_sort_example(): + numbers = [5, 24, 18, 95, 502, 45, 1] + + for i in range(1, len(numbers)): + for j in range(i - 1, -1, -1): + if numbers[j] > numbers[j + 1]: + numbers[j + 1], numbers[j] = numbers[j], numbers[j + 1] + else: + break + + print(numbers) + +# bubble_sort_example(); +insertion_sort_example(); diff --git a/shared/notes-and-examples/2026.01.28/full_linked_list.py b/shared/notes-and-examples/2026.01.28/full_linked_list.py new file mode 100644 index 0000000..a05a729 --- /dev/null +++ b/shared/notes-and-examples/2026.01.28/full_linked_list.py @@ -0,0 +1,35 @@ +class Node: + next_node = None + + def __init__(self, value): + self.value = value + +# Homework: +# Make a linked list class with the functions: +# - append(node): add a node to the end of the list +# - insert(node, index): add a node to the middle of the list +# - remove(index): remove the first matching node from the list + +class LinkedList: + head = None + tail = None + +def append(Llist, thing): + if Llist.head==None: + Llist.head=Node(value=thing) + Llist.tail=Llist.head + return + Llist.tail.nextNode=Node(value=thing) + Llist.tail=Llist.tail.nextNode + + +list1=LinkedList() +append(list1, 'hi') +append(list1, 'hi again') +append(list1, 'why am I saying hi so many times?') +print(list1.head.value) +print(list1.head.nextNode.value) +print(list1.head.nextNode.nextNode.value) + + + diff --git a/shared/notes-and-examples/2026.01.28/main.py b/shared/notes-and-examples/2026.01.28/main.py new file mode 100644 index 0000000..6eef6fa --- /dev/null +++ b/shared/notes-and-examples/2026.01.28/main.py @@ -0,0 +1,51 @@ +some_numbers = [2, 5, 20, 18, 4] + +more_numbers = some_numbers.copy() + +some_numbers[2] = 100 + +# print(more_numbers[2]) # prints 100? + +class Sample: + other_samples = [] + value = 0 + +samples = [Sample(), Sample(), Sample()] +more_samples = samples.copy() # shallow copy +samples[1].value = 10 +samples[1].other_samples.append(samples[0]) +# print(more_samples[1].value) # 10 + +samples.append(Sample()) +samples[3].value = 100 +# print(more_samples[3].value) + +other_sample.value = 40 +# print(sample.value) + +class Dog: + def __init__(self, age, name): + self.age = age + self.name = name + +# dog_1 = Dog() + +class Node: + next_node = None + + def __init__(self, value): + self.value = value + +node_1 = Node(0) +node_2 = Node(0) + +node_2.value = 10 + +node_1.next_node = node_2 + +node_2.value = 20 + +current_node = node_1 +while (current_node != None): + print(current_node.value) + current_node = current_node.next_node diff --git a/shared/notes-and-examples/2026.01.28/object_array_reference_sample.py b/shared/notes-and-examples/2026.01.28/object_array_reference_sample.py new file mode 100644 index 0000000..e69de29 diff --git a/shared/notes-and-examples/2026.01.28/object_reference_sample.py b/shared/notes-and-examples/2026.01.28/object_reference_sample.py new file mode 100644 index 0000000..824d0f4 --- /dev/null +++ b/shared/notes-and-examples/2026.01.28/object_reference_sample.py @@ -0,0 +1,8 @@ +class Sample: + other_samples = [] + value = 0 + +sample = Sample() +other_sample = sample +sample.value = 20 +print(other_sample.value) diff --git a/shared/notes-and-examples/2026.02.04/main.py b/shared/notes-and-examples/2026.02.04/main.py new file mode 100644 index 0000000..a8ab05d --- /dev/null +++ b/shared/notes-and-examples/2026.02.04/main.py @@ -0,0 +1,13 @@ +class Node: + next = None + previous = None + +class Queue: + front = None + tail = None + + def enqueue(self, node: Node): + pass + + def dequeue(self): + pass diff --git a/shared/data-structures-tutoring/README.md b/shared/notes-and-examples/README.md similarity index 100% rename from shared/data-structures-tutoring/README.md rename to shared/notes-and-examples/README.md