✨ 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/connect/read-connected-data.md

@@ -37,10 +37,22 @@ We will continue with the code in the previous example and we will add more thin
 
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/insert/tutorial001_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/insert/tutorial001.py!}
 ```
 
+////
+
 ///
 
 ## `SELECT` Connected Data with SQL
@@ -123,6 +135,20 @@ Remember SQLModel's `select()` function? It can take more than one argument.
 
 So, we can pass the `Hero` and `Team` model classes. And we can also use both their columns in the `.where()` part:
 
+//// tab | Python 3.10+
+
+```Python hl_lines="5"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/connect/select/tutorial001_py310.py[ln:61-63]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="5"
 # Code above omitted 👆
 
@@ -131,12 +157,26 @@ So, we can pass the `Hero` and `Team` model classes. And we can also use both th
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/select/tutorial001_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/select/tutorial001.py!}
 ```
 
+////
+
 ///
 
 Notice that in the comparison with `==` we are using the class attributes for both `Hero.team_id` and `Team.id`.
@@ -147,6 +187,20 @@ Now we can execute it and get the `results` object.
 
 And as we used `select` with two models, we will receive tuples of instances of those two models, so we can iterate over them naturally in a `for` loop:
 
+//// tab | Python 3.10+
+
+```Python hl_lines="7"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/connect/select/tutorial001_py310.py[ln:61-66]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="7"
 # Code above omitted 👆
 
@@ -155,12 +209,26 @@ And as we used `select` with two models, we will receive tuples of instances of
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/select/tutorial001_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/select/tutorial001.py!}
 ```
 
+////
+
 ///
 
 For each iteration in the `for` loop we get a a tuple with an instance of the class `Hero` and an instance of the class `Team`.
@@ -179,6 +247,20 @@ And you should get autocompletion and inline errors in your editor for both `her
 
 As always, we must remember to add this new `select_heroes()` function to the `main()` function to make sure it is executed when we call this program from the command line.
 
+//// tab | Python 3.10+
+
+```Python hl_lines="6"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/connect/select/tutorial001_py310.py[ln:69-72]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="6"
 # Code above omitted 👆
 
@@ -187,12 +269,26 @@ As always, we must remember to add this new `select_heroes()` function to the `m
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/select/tutorial001_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/select/tutorial001.py!}
 ```
 
+////
+
 ///
 
 
@@ -300,6 +396,20 @@ The same way there's a `.where()` available when using `select()`, there's also
 
 And in SQLModel (actually SQLAlchemy), when using the `.join()`, because we already declared what is the `foreign_key` when creating the models, we don't have to pass an `ON` part, it is inferred automatically:
 
+//// tab | Python 3.10+
+
+```Python hl_lines="5"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/connect/select/tutorial002_py310.py[ln:61-66]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="5"
 # Code above omitted 👆
 
@@ -308,12 +418,26 @@ And in SQLModel (actually SQLAlchemy), when using the `.join()`, because we alre
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/select/tutorial002_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/select/tutorial002.py!}
 ```
 
+////
+
 ///
 
 Also notice that we are still including `Team` in the `select(Hero, Team)`, because we still want to access that data.
@@ -441,6 +565,20 @@ Now let's replicate the same query in **SQLModel**.
 
 `.join()` has a parameter we can use `isouter=True` to make the `JOIN` be a `LEFT OUTER JOIN`:
 
+//// tab | Python 3.10+
+
+```Python hl_lines="5"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/connect/select/tutorial003_py310.py[ln:61-66]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="5"
 # Code above omitted 👆
 
@@ -449,12 +587,26 @@ Now let's replicate the same query in **SQLModel**.
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/select/tutorial003_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/select/tutorial003.py!}
 ```
 
+////
+
 ///
 
 And if we run it, it will output:
@@ -502,6 +654,20 @@ But we would still be able to **filter** the rows with it. 🤓
 
 We could even add some additional `.where()` after `.join()` to filter the data more, for example to return only the heroes from one team:
 
+//// tab | Python 3.10+
+
+```Python hl_lines="5"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/connect/select/tutorial004_py310.py[ln:61-66]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="5"
 # Code above omitted 👆
 
@@ -510,12 +676,26 @@ We could even add some additional `.where()` after `.join()` to filter the data
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/select/tutorial004_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/select/tutorial004.py!}
 ```
 
+////
+
 ///
 
 Here we are **filtering** with `.where()` to get only the heroes that belong to the **Preventers** team.
@@ -547,6 +727,20 @@ Preventer Hero: id=2 secret_name='Tommy Sharp' team_id=1 name='Rusty-Man' age=48
 
 By putting the `Team` in `select()` we tell **SQLModel** and the database that we want the team data too.
 
+//// tab | Python 3.10+
+
+```Python hl_lines="5"
+# Code above omitted 👆
+
+{!./docs_src/tutorial/connect/select/tutorial005_py310.py[ln:61-66]!}
+
+# Code below omitted 👇
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python hl_lines="5"
 # Code above omitted 👆
 
@@ -555,12 +749,26 @@ By putting the `Team` in `select()` we tell **SQLModel** and the database that w
 # Code below omitted 👇
 ```
 
+////
+
 /// details | 👀 Full file preview
 
+//// tab | Python 3.10+
+
+```Python
+{!./docs_src/tutorial/connect/select/tutorial005_py310.py!}
+```
+
+////
+
+//// tab | Python 3.7+
+
 ```Python
 {!./docs_src/tutorial/connect/select/tutorial005.py!}
 ```
 
+////
+
 ///
 
 And if we run that, it will output: