diff --git a/examples/pytest_examples/README.md b/examples/pytest_examples/README.md
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+# Tutorial on `pytest`
+
+Main website: `pytest.org` or [docs.pytest.org](https://docs.pytest.org/en/7.4.x/)
+
+## Installing
+
+Follow guide on website.
+
+It uses `pip`, but there is probably a conda version...
+
+## Basic test file
+
+Each file is a test. `test_***.py` or `***_test.py` are tests.
+
+Inside each test, define `test_foo()` functions for each test.
+
+The test functions should use `assert` statements.
+
+Each test should be short and sweet. Remember, you can always make another test case!
+
+> See `test_sample1.py`
+
+## Running tests
+
+After creating a test, run it from the command line:
+
+`$ pytest`
+
+By default, pytest will look in the current directory and sub directories for the test files, and run them all.
+
+## Parametrize Tests
+
+Use python decorators with pytest to run the same test case many times with different arguments.
+
+> See `test_sample2.py`
+
+Or, use `numpy` to generate large inputs for tests
+
+> See `test_sample3.py`
+
+## Mark Tests
+
+Metadata for tests is denoted by `mark`ing them in the source file.
+
+`@pytest.mark.foo`
+
+This allows you to only run a subset of tests. These markings are totally customizable.
+
+For example, we could mark:
+
+- `jmag` for all tests using JMAG
+- `fea` for FEA tests (JMAG, FEMM, etc)
+- `slow` for slow tests (perhaps over 20 seconds expected time)
+
+Must define project `mark`ings in the `pytest.ini` file.
+
+> See `test_sample4.py` and `pytest.ini`
+
+## Run Marked Tests
+
+Run only the slow tests using 128 workers (run tests in parallel):
+
+`$ pytest -k slow -n 128`
+
+Run all not slow tests using 8 workers
+
+`$ pytest -k "not slow" -n 8`
+
+## Nice to Know
+
+Run tests on multiple `N` workers (all completely independent from each other):
+
+`$ python ... -n N`
+
+Run tests matching certain keyword:
+
+`$ python ... -k foo_bar`
+
+Print out available markers:
+
+`$ python --markers`
diff --git a/examples/pytest_examples/pytest.ini b/examples/pytest_examples/pytest.ini
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+[pytest]
+markers = 
+    slow: mark test as slow
\ No newline at end of file
diff --git a/examples/pytest_examples/test_sample1.py b/examples/pytest_examples/test_sample1.py
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+
+def my_complex_func(x):
+    return x + 1
+
+def test_my_complex_func():
+    assert my_complex_func(4) == 5
\ No newline at end of file
diff --git a/examples/pytest_examples/test_sample2.py b/examples/pytest_examples/test_sample2.py
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+++ b/examples/pytest_examples/test_sample2.py
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+import pytest
+
+def my_complex_func(x):
+    return x + 1
+
+@pytest.mark.parametrize("arg1", (1,2))
+def test_my_complex_func(arg1):
+    assert my_complex_func(arg1) == (arg1+1)
\ No newline at end of file
diff --git a/examples/pytest_examples/test_sample3.py b/examples/pytest_examples/test_sample3.py
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+import pytest
+import numpy as np
+
+def my_complex_func(x):
+    return x + 1
+
+@pytest.mark.parametrize("arg1", np.arange(0,10,1))
+def test_my_complex_func(arg1):
+    assert my_complex_func(arg1) == (arg1+1)
\ No newline at end of file
diff --git a/examples/pytest_examples/test_sample4.py b/examples/pytest_examples/test_sample4.py
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+++ b/examples/pytest_examples/test_sample4.py
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+import pytest
+import numpy as np
+import time
+import random
+
+def my_complex_func(x):
+    # Sleep for 0 to 1 seconds
+    time.sleep(random.random())
+    return x + 1
+
+@pytest.mark.slow
+@pytest.mark.parametrize("arg1", np.arange(0,10000,1))
+def test_my_complex_func(arg1):
+    assert my_complex_func(arg1) == (arg1+1)
\ No newline at end of file