✨ Add source examples for Python 3.10 and 3.9 with updated syntax (#842)

Co-authored-by: Esteban Maya Cadavid <emayacadavid9@gmail.com>

docs/tutorial/relationship-attributes/remove-relationships.md

@@ -8,6 +8,32 @@ And then for some reason needs to leave the **Preventers** for some years. 😭
 
 We can remove the relationship by setting it to `None`, the same as with the `team_id`, it also works with the new relationship attribute `.team`:
 
+//// tab | Python 3.10+
+
+```Python hl_lines="9"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py310.py[ln:103-114]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.9+
+
+```Python hl_lines="9"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py39.py[ln:105-116]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="9"
 # Code above omitted 👆
 
@@ -16,16 +42,64 @@ We can remove the relationship by setting it to `None`, the same as with the `te
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py310.py!}
+```
+
+////
+
+//// tab | Python 3.9+
+
+```Python
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py39.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002.py!}
 ```
 
+////
+
 ///
 
 And of course, we should remember to add this `update_heroes()` function to `main()` so that it runs when we call this program from the command line:
 
+//// tab | Python 3.10+
+
+```Python hl_lines="7"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py310.py[ln:117-121]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.9+
+
+```Python hl_lines="7"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py39.py[ln:119-123]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="7"
 # Code above omitted 👆
 
@@ -34,12 +108,34 @@ And of course, we should remember to add this `update_heroes()` function to `mai
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py310.py!}
+```
+
+////
+
+//// tab | Python 3.9+
+
+```Python
+{!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002_py39.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/relationship_attributes/read_relationships/tutorial002.py!}
 ```
 
+////
+
 ///
 
 ## Recap