diff --git a/1-getting-started-lessons/1-intro-to-programming-languages/assignment.md b/1-getting-started-lessons/1-intro-to-programming-languages/assignment.md
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 There are many tools that a web developer may need that are on the [MDN documentation for client-side tooling](https://developer.mozilla.org/docs/Learn/Tools_and_testing/Understanding_client-side_tools/Overview). Select 3 tools not covered in the lesson, explain why a web developer would use it, and search for a tool that falls under this category and share its documentation. Do not use the same tool example on MDN docs.
 
+## 1. Linters
+Linters are used to check for errors and tell the developer what and where the errors are.  There are different linters for different languages, such as [Pylint](https://pylint.readthedocs.io/en/stable/) for Python.
+
+## 2. Code Formatters
+Code formatters check the developer's code to ensure it is formatted correctly, and can automatically correct any mistakes it finds.  An example of a code formatter is [Black](https://black.readthedocs.io/en/stable/).
+
+## 3. Type checkers
+Type checkers check to ensure the right type of data is being used correctly before the code is run.  An example of a type checker is [MyPy](https://mypy.readthedocs.io/en/stable/)
+
 ## Rubric
 
 Exemplary | Adequate | Needs Improvement