diff --git a/.github/workflows/Unittesting.yml b/.github/workflows/Unittesting.yml
new file mode 100644
index 0000000..eb1ab19
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+++ b/.github/workflows/Unittesting.yml
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+name: Unit testing with pytest
+
+on: [push] # when should we run this action
+
+jobs: # what should we do when it is run
+  build:
+    runs-on: ubuntu-latest # platform it runs on
+    steps:
+    - uses: actions/checkout@v4 # checkout your code
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10' # specify python version
+    - name: Install dependencies # which libraries do we need for testing
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt # they should be listed in this file
+    - name: Test with pytest
+      run: |
+        pip install pytest
+        pytest tests.py
diff --git a/README.md b/README.md
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index 0000000..1edcf0a
--- /dev/null
+++ b/README.md
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+# Homework Task
+
+**Determine the equilibrium configurations of Na_4Cl_4 clusters for tetramers (n=4) in this paper: 
+K. Michaelian, "Evolving few-ion clusters of Na and Cl",Am. J. Phys. 66, 231 (1998),shown in Figure 4.** 
+
+Plot the equilibrium configurations using the code in [CompPhys/MinMax/nacl.ipynb](https://github.com/ubsuny/CompPhys/blob/main/MinMax/nacl.ipynb). Label them with their energies. Initialize them to an “ideal” case for the geometry, and allow the optimization to determine the final configurations.
+
+There are 7 configurations, each member of the group chooses 2, then discuss your approach for each individual case. No unit tests necessary this time. Still lint your code.
+
+---
+
+For this you have to complete the following steps:
+
+- Discuss in this repository using issues who will do which configuration (specified above)
+- Discuss who should be the main responsible for the repository (the one that can accept merge requests, let me know in discord so I can adjust rights)
+- Discuss and generate milestone for your project to optimize the timeline of your project
+- Discuss and generate labels for your issues
+- Fork this repository
+- Merge the necessary fies from the original homework project into your fork
+- commit
+- create merge requests for your work
+
+Also use discord for discussing solutions to any issues popping up.
+
+## Grading
+
+| Homework Points                  |                |              |            |
+| -------------------------------- | -------------- | ------------ | ---------- |
+|                                  |                |              |            |
+| Interaction on own project       |                |              |            |
+| Category                         | min per person | point factor | max points |
+| Commits                          | 6              | 1            | 6          |
+| Merge requests                   | 3              | 1            | 3          |
+| Merge Accepted                   | 1              | 1            | 1          |
+| Branches                         | 2              | 0.5          | 1          |
+| Issues                           | 10             | 0.5          | 5          |
+| Closed Issues                    | 5              | 0.2          | 1          |
+| \# Conversations                 | 30             | 0.2          | 6          |
+|                                  |                |              |            |
+| Total                            |                |              | 23         |
+|                                  |                |              |            |
+| Shared project points            |                |              |            |
+| \# Label                         | 5              | 0.2          | 1          |
+| \# Milestones                    | 2              | 1            | 2          |
+| \# Tags                          | 0              | 1            | 0          |
+|                                  |                |              |            |
+| Total                            | 7              |              | 5          |
+|                                  |                |              |            |
+|                                  |                |              |            |
+| Interaction on others project(s) |                |              |            |
+| Category                         | min per person | point factor | max points |
+| Commits                          | 3              | 1            | 3          |
+| Branches                         | 1              | 0.5          | 0.5        |
+| Issues                           | 9              | 0.5          | 4.5        |
+| \# Conversations                 | 15             | 0.2          | 3          |
+|                                  |                |              |            |
+| Total                            | 22             |              | 11         |
+|                                  |                |              |            |
+| Result                           |                |              |            |
+| Task completion                  | 5              | 1            | 5          |
+|                                  |                |              |            |
+| Sum                              |                |              | 42         |
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..e079f8a
--- /dev/null
+++ b/requirements.txt
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+pytest