chore: refresh modality hubs with Phase 5 content links

travisjneuman · claude · travisjneuman · commit 0924618dbad2 · 2026-02-26T15:52:09.000-05:00
Re-ran hub generator for modules and concepts to replace em-dashes
with actual links to newly created walkthroughs, diagrams, and video
resource pages from Phase 5.

Co-Authored-By: Claude Opus 4.6 &lt;noreply@anthropic.com&gt;
diff --git a/concepts/api-basics.md b/concepts/api-basics.md
@@ -8,7 +8,7 @@ An **API** (Application Programming Interface) is a way for programs to talk to
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/api-basics-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/api-basics.md) | [Quiz](quizzes/api-basics-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/api-basics.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/args-kwargs-explained.md b/concepts/args-kwargs-explained.md
@@ -8,7 +8,7 @@
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/args-kwargs-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/args-kwargs-explained.md) | [Quiz](quizzes/args-kwargs-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/args-kwargs-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/async-explained.md b/concepts/async-explained.md
@@ -8,7 +8,7 @@ Async lets your program do other work while waiting for slow operations (network
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/async-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/async-explained.md) | [Quiz](quizzes/async-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/async-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/classes-and-objects.md b/concepts/classes-and-objects.md
@@ -8,7 +8,7 @@
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/classes-and-objects-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/classes-and-objects.md) | [Quiz](quizzes/classes-and-objects-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/classes-and-objects.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/collections-deep-dive-part1.md b/concepts/collections-deep-dive-part1.md
@@ -2,6 +2,16 @@
 
 [← Back to Overview](./collections-deep-dive.md) · [Part 2: deque, namedtuple, ChainMap →](./collections-deep-dive-part2.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 Python's `collections` module provides specialized container types that go beyond the built-in `list`, `dict`, and `set`. This part covers the three dict-like types: `Counter`, `defaultdict`, and `OrderedDict`.
diff --git a/concepts/collections-deep-dive-part2.md b/concepts/collections-deep-dive-part2.md
@@ -2,6 +2,16 @@
 
 [← Part 1: defaultdict, Counter, OrderedDict](./collections-deep-dive-part1.md) · [Back to Overview](./collections-deep-dive.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 This part covers the remaining `collections` types: `deque` for fast double-ended operations, `namedtuple` for lightweight immutable records, and `ChainMap` for layered dict lookups.
diff --git a/concepts/collections-deep-dive.md b/concepts/collections-deep-dive.md
@@ -8,7 +8,7 @@ Python's `collections` module provides specialized container types that go beyon
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/collections-deep-dive-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/collections-deep-dive.md) | [Quiz](quizzes/collections-deep-dive-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/collections-deep-dive.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/comprehensions-explained.md b/concepts/comprehensions-explained.md
@@ -8,7 +8,7 @@ A comprehension is a one-line way to build a list, dictionary, or set from anoth
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/comprehensions-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/comprehensions-explained.md) | [Quiz](quizzes/comprehensions-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/comprehensions-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/context-managers-explained.md b/concepts/context-managers-explained.md
@@ -8,7 +8,7 @@ A context manager is something that sets up a resource when you enter a block an
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/context-managers-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/context-managers-explained.md) | [Quiz](quizzes/context-managers-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/context-managers-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/dataclasses-explained.md b/concepts/dataclasses-explained.md
@@ -8,7 +8,7 @@ A **dataclass** is the easy way to create a class that holds data. Instead of wr
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/dataclasses-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/dataclasses-explained.md) | [Quiz](quizzes/dataclasses-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/dataclasses-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/debugging-methodology-part1.md b/concepts/debugging-methodology-part1.md
@@ -2,6 +2,16 @@
 
 [← Back to Overview](./debugging-methodology.md) · [Part 2: Tools and Techniques →](./debugging-methodology-part2.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 Debugging is the systematic process of finding and fixing bugs. It is not about staring at code until you see the problem — it is a repeatable method that works on any bug, in any language. The best debuggers are not the smartest programmers; they are the most methodical.
diff --git a/concepts/debugging-methodology-part2.md b/concepts/debugging-methodology-part2.md
@@ -2,6 +2,16 @@
 
 [← Part 1: Approach and Mental Models](./debugging-methodology-part1.md) · [Back to Overview](./debugging-methodology.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 This part covers the practical debugging tools available in Python: print debugging, the built-in debugger (`pdb`/`breakpoint`), and third-party tools like `icecream` and `snoop`.
diff --git a/concepts/decorators-explained.md b/concepts/decorators-explained.md
@@ -8,7 +8,7 @@
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/decorators-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/decorators-explained.md) | [Quiz](quizzes/decorators-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/decorators-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/enums-explained.md b/concepts/enums-explained.md
@@ -8,7 +8,7 @@ An enum (enumeration) is a set of named constants. Instead of scattering magic s
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/enums-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/enums-explained.md) | [Quiz](quizzes/enums-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/enums-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/functools-and-itertools-part1.md b/concepts/functools-and-itertools-part1.md
@@ -2,6 +2,16 @@
 
 [← Back to Overview](./functools-and-itertools.md) · [Part 2: itertools →](./functools-and-itertools-part2.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 The `functools` module gives you tools to transform and optimize functions. These solve problems you will hit repeatedly: caching expensive computations, pre-filling arguments, folding sequences, and preserving metadata in decorators.
diff --git a/concepts/functools-and-itertools-part2.md b/concepts/functools-and-itertools-part2.md
@@ -2,6 +2,16 @@
 
 [← Part 1: functools](./functools-and-itertools-part1.md) · [Back to Overview](./functools-and-itertools.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 The `itertools` module gives you building blocks for efficient iteration. These tools let you chain sequences, generate combinations, group data, and work with infinite iterators — all lazily and memory-efficiently.
diff --git a/concepts/functools-and-itertools.md b/concepts/functools-and-itertools.md
@@ -8,7 +8,7 @@ These two standard library modules are Python's power tools for working with fun
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/functools-and-itertools-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/functools-and-itertools.md) | [Quiz](quizzes/functools-and-itertools-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/functools-and-itertools.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/generators-and-iterators-part1.md b/concepts/generators-and-iterators-part1.md
@@ -2,6 +2,16 @@
 
 [← Back to Overview](./generators-and-iterators.md) · [Part 2: Generators →](./generators-and-iterators-part2.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 An **iterator** is any object that produces a sequence of values, one at a time. Iterators are the foundation of Python's `for` loop and underpin how generators, file objects, and many built-in functions work.
diff --git a/concepts/generators-and-iterators-part2.md b/concepts/generators-and-iterators-part2.md
@@ -2,6 +2,16 @@
 
 [← Part 1: Iterators](./generators-and-iterators-part1.md) · [Back to Overview](./generators-and-iterators.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 A **generator** is a function that produces values one at a time using `yield` instead of `return`. Generators are the easy way to create iterators — they handle the protocol automatically and let you write lazy, memory-efficient code.
diff --git a/concepts/generators-and-iterators.md b/concepts/generators-and-iterators.md
@@ -8,7 +8,7 @@ A generator is a function that produces values one at a time instead of building
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/generators-and-iterators-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/generators-and-iterators.md) | [Quiz](quizzes/generators-and-iterators-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/generators-and-iterators.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/git-basics-part1.md b/concepts/git-basics-part1.md
@@ -2,6 +2,16 @@
 
 [← Back to Overview](./git-basics.md) · [Part 2: Remote Git →](./git-basics-part2.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 Git is a version control system — it tracks every change you make to your code, lets you undo mistakes, and makes it possible for multiple people to work on the same project. This part covers everything you need to work with git locally: init, add, commit, branch, and merge.
diff --git a/concepts/git-basics-part2.md b/concepts/git-basics-part2.md
@@ -2,6 +2,16 @@
 
 [← Part 1: Local Git](./git-basics-part1.md) · [Back to Overview](./git-basics.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 This part covers working with remote repositories on GitHub: pushing, pulling, cloning, the pull request workflow, and resolving merge conflicts.
diff --git a/concepts/how-imports-work.md b/concepts/how-imports-work.md
@@ -8,7 +8,7 @@ When your Python file needs code from another file or library, you use `import`.
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/how-imports-work-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/how-imports-work.md) | [Quiz](quizzes/how-imports-work-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/how-imports-work.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/http-explained.md b/concepts/http-explained.md
@@ -8,7 +8,7 @@ HTTP (HyperText Transfer Protocol) is how browsers and apps talk to servers. Eve
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/http-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/http-explained.md) | [Quiz](quizzes/http-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/http-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/modern-python-tooling-part1.md b/concepts/modern-python-tooling-part1.md
@@ -2,6 +2,16 @@
 
 [← Back to Overview](./modern-python-tooling.md) · [Part 2: pyproject.toml and Ecosystem →](./modern-python-tooling-part2.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 The Python ecosystem has modernized significantly. This part covers **uv** and **ruff** — the two tools that replace most of the older pip/venv/black/flake8 toolchain.
diff --git a/concepts/modern-python-tooling-part2.md b/concepts/modern-python-tooling-part2.md
@@ -2,6 +2,16 @@
 
 [← Part 1: uv and ruff](./modern-python-tooling-part1.md) · [Back to Overview](./modern-python-tooling.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 This part covers the modern config file (`pyproject.toml`), the old-to-new toolchain mapping, and quality-of-life improvements in recent Python releases.
diff --git a/concepts/regex-explained.md b/concepts/regex-explained.md
@@ -8,7 +8,7 @@ A regular expression (regex) is a pattern that describes text. It lets you searc
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/regex-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/regex-explained.md) | [Quiz](quizzes/regex-explained-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/regex-explained.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/security-basics.md b/concepts/security-basics.md
@@ -8,7 +8,7 @@ Security is about protecting your application and its users from attacks. Even a
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/security-basics-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/security-basics.md) | [Quiz](quizzes/security-basics-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/security-basics.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/testing-strategies-part1.md b/concepts/testing-strategies-part1.md
@@ -2,6 +2,16 @@
 
 [← Back to Overview](./testing-strategies.md) · [Part 2: Advanced Testing →](./testing-strategies-part2.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 Testing is how you prove your code works — and keep it working as you make changes. A good test suite catches bugs before users do, gives you confidence to refactor, and serves as living documentation of how your code should behave.
diff --git a/concepts/testing-strategies-part2.md b/concepts/testing-strategies-part2.md
@@ -2,6 +2,16 @@
 
 [← Part 1: Unit Testing](./testing-strategies-part1.md) · [Back to Overview](./testing-strategies.md)
 
+<!-- modality-hub-start -->
+
+### Learn Your Way
+
+| Read | Build | Watch | Test | Review | Visualize |
+|:---: | :---: | :---: | :---: | :---: | :---:|
+| **You are here** | [Projects](#practice) | — | — | [Flashcards](../practice/flashcards/README.md) | — |
+
+<!-- modality-hub-end -->
+
 ---
 
 This part covers mocking, parametrized tests, code coverage, and common testing mistakes — the tools and techniques that take your test suite from basic to professional.
diff --git a/concepts/testing-strategies.md b/concepts/testing-strategies.md
@@ -8,7 +8,7 @@ Testing is how you prove your code works — and keep it working as you make cha
 
 | Read | Build | Watch | Test | Review | Visualize |
 |:---: | :---: | :---: | :---: | :---: | :---:|
-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/testing-strategies-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/testing-strategies.md) | [Quiz](quizzes/testing-strategies-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/testing-strategies.md) |
 
 <!-- modality-hub-end -->
 
diff --git a/concepts/the-terminal-deeper.md b/concepts/the-terminal-deeper.md
@@ -8,7 +8,7 @@ This builds on [00_COMPUTER_LITERACY_PRIMER.md](../00_COMPUTER_LITERACY_PRIMER.m
 
 | Read | Build | Watch | Test | Review | Visualize |
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-| **You are here** | [Projects](#practice) | — | [Quiz](quizzes/the-terminal-deeper-quiz.py) | [Flashcards](../practice/flashcards/README.md) | — |
+| **You are here** | [Projects](#practice) | [Videos](videos/the-terminal-deeper.md) | [Quiz](quizzes/the-terminal-deeper-quiz.py) | [Flashcards](../practice/flashcards/README.md) | [Diagrams](diagrams/the-terminal-deeper.md) |
 
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diff --git a/concepts/type-hints-explained.md b/concepts/type-hints-explained.md
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