diff --git a/docs/tutorial/relationship-attributes/back-populates.md b/docs/tutorial/relationship-attributes/back-populates.md
index 0eaa7bb650..72af76e3e5 100644
--- a/docs/tutorial/relationship-attributes/back-populates.md
+++ b/docs/tutorial/relationship-attributes/back-populates.md
@@ -20,63 +20,7 @@ Let's understand that better with an example.
 
 Let's see how that works by writing an **incomplete** version first, without `back_populates`:
 
-//// tab | Python 3.10+
-
-```Python hl_lines="9  19"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py[ln:1-19]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python hl_lines="11  21"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py[ln:1-21]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python hl_lines="11  21"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py[ln:1-21]!}
-
-# Code below omitted 👇
-```
-
-////
-
-/// details | 👀 Full file preview
-
-//// tab | Python 3.10+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py ln[1:19] hl[9,19] *}
 
 ## Read Data Objects
 
@@ -84,69 +28,7 @@ Now, we will get the **Spider-Boy** hero and, *independently*, the **Preventers*
 
 As you already know how this works, I won't separate that in a select `statement`, `results`, etc. Let's use the shorter form in a single call:
 
-//// tab | Python 3.10+
-
-```Python hl_lines="5-7  9-11"
-# Code above omitted 👆
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py[ln:103-111]!}
-
-# Code below omitted 👇
-```
-
-////
-
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-
-```Python hl_lines="5-7  9-11"
-# Code above omitted 👆
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py[ln:105-113]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.7+
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-```Python hl_lines="5-7  9-11"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py[ln:105-113]!}
-
-# Code below omitted 👇
-```
-
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-
-/// details | 👀 Full file preview
-
-//// tab | Python 3.10+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py ln[103:111] hl[5:7,9:11] *}
 
 /// tip
 
@@ -158,69 +40,7 @@ When writing your own code, this is probably the style you will use most often,
 
 Now, let's print the current **Spider-Boy**, the current **Preventers** team, and particularly, the current **Preventers** list of heroes:
 
-//// tab | Python 3.10+
-
-```Python hl_lines="13-15"
-# Code above omitted 👆
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py[ln:103-115]!}
-
-# Code below omitted 👇
-```
-
-////
-
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-```Python hl_lines="13-15"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py[ln:105-117]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.7+
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-```Python hl_lines="13-15"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py[ln:105-117]!}
-
-# Code below omitted 👇
-```
-
-////
-
-/// details | 👀 Full file preview
-
-//// tab | Python 3.10+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py ln[103:115] hl[13:15] *}
 
 Up to this point, it's all good. 😊
 
@@ -242,81 +62,7 @@ Notice that we have **Spider-Boy** there.
 
 Now let's update **Spider-Boy**, removing him from the team by setting `hero_spider_boy.team = None` and then let's print this object again:
 
-//// tab | Python 3.10+
-
-```Python hl_lines="8  12"
-# Code above omitted 👆
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py[ln:103-104]!}
-
-        # Code here omitted 👈
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py[ln:117-121]!}
-
-# Code below omitted 👇
-```
-
-////
-
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-```Python hl_lines="8  12"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py[ln:105-106]!}
-
-        # Code here omitted 👈
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py[ln:119-123]!}
-
-# Code below omitted 👇
-```
-
-////
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-```Python hl_lines="8  12"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py[ln:105-106]!}
-
-        # Code here omitted 👈
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py[ln:119-123]!}
-
-# Code below omitted 👇
-```
-
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-
-/// details | 👀 Full file preview
-
-//// tab | Python 3.10+
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-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py ln[103:104] hl[8,12] *}
 
 The first important thing is, we *haven't committed* the hero yet, so accessing the list of heroes would not trigger an automatic refresh.
 
@@ -356,81 +102,7 @@ Oh, no! 😱 **Spider-Boy** is still listed there!
 
 Now, if we commit it and print again:
 
-//// tab | Python 3.10+
-
-```Python hl_lines="8-9  15"
-# Code above omitted 👆
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py[ln:103-104]!}
-
-        # Code here omitted 👈
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py[ln:123-130]!}
-
-# Code below omitted 👇
-```
-
-////
-
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-```Python hl_lines="8-9  15"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py[ln:105-106]!}
-
-        # Code here omitted 👈
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py[ln:125-132]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.7+
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-```Python hl_lines="8-9  15"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py[ln:105-106]!}
-
-        # Code here omitted 👈
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py[ln:125-132]!}
-
-# Code below omitted 👇
-```
-
-////
-
-/// details | 👀 Full file preview
-
-//// tab | Python 3.10+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial001.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial001_py310.py ln[103:104] hl[8:9,15] *}
 
 When we access `preventers_team.heroes` after the `commit`, that triggers a refresh, so we get the latest list, without **Spider-Boy**, so that's fine again:
 
@@ -462,141 +134,7 @@ That's what `back_populates` is for. ✨
 
 Let's add it back:
 
-//// tab | Python 3.10+
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-```Python hl_lines="9  19"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py[ln:1-19]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.9+
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-```Python hl_lines="11  21"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py[ln:1-21]!}
-
-# Code below omitted 👇
-```
-
-////
-
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-```Python hl_lines="11  21"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py[ln:1-21]!}
-
-# Code below omitted 👇
-```
-
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-/// details | 👀 Full file preview
-
-//// tab | Python 3.10+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py!}
-```
-
-////
-
-///
-
-And we can keep the rest of the code the same:
-
-//// tab | Python 3.10+
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-```Python hl_lines="8  12"
-# Code above omitted 👆
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py[ln:103-104]!}
-
-        # Code here omitted 👈
-
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py[ln:117-121]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.9+
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-```Python hl_lines="8  12"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py[ln:105-106]!}
-
-        # Code here omitted 👈
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py[ln:119-123]!}
-
-# Code below omitted 👇
-```
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-```Python hl_lines="8  12"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py[ln:105-106]!}
-
-        # Code here omitted 👈
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py[ln:119-123]!}
-
-# Code below omitted 👇
-```
-
-////
-
-/// details | 👀 Full file preview
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-//// tab | Python 3.10+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py ln[1:19] hl[9,19] *}
 
 /// tip
 
@@ -629,63 +167,7 @@ Now that you know why `back_populates` is there, let's review the exact value ag
 
 It's quite simple code, it's just a string, but it might be confusing to think exactly *what* string should go there:
 
-//// tab | Python 3.10+
-
-```Python hl_lines="9  19"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py[ln:1-19]!}
-
-# Code below omitted 👇
-```
-
-////
-
-//// tab | Python 3.9+
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-```Python hl_lines="11  21"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py[ln:1-21]!}
-
-# Code below omitted 👇
-```
-
-////
-
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-```Python hl_lines="11  21"
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py[ln:1-21]!}
-
-# Code below omitted 👇
-```
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-//// tab | Python 3.10+
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-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
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-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py ln[1:19] hl[9,19] *}
 
 The string in `back_populates` is the name of the attribute *in the other* model, that will reference *the current* model.
 
@@ -693,69 +175,7 @@ The string in `back_populates` is the name of the attribute *in the other* model
 
 So, in the class `Team`, we have an attribute `heroes` and we declare it with `Relationship(back_populates="team")`.
 
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-```Python hl_lines="8"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py[ln:4-9]!}
-
-# Code below omitted 👇
-```
-
-////
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-```Python hl_lines="8"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py[ln:6-11]!}
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-# Code below omitted 👇
-```
-
-////
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-```Python hl_lines="8"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py[ln:6-11]!}
-
-# Code below omitted 👇
-```
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-/// details | 👀 Full file preview
-
-//// tab | Python 3.10+
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-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
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-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py ln[4:9] hl[8] *}
 
 The string in `back_populates="team"` refers to the attribute `team` in the class `Hero` (the other class).
 
@@ -763,69 +183,7 @@ And, in the class `Hero`, we declare an attribute `team`, and we declare it with
 
 So, the string `"heroes"` refers to the attribute `heroes` in the class `Team`.
 
-//// tab | Python 3.10+
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-```Python hl_lines="10"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py[ln:12-19]!}
-
-# Code below omitted 👇
-```
-
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-```Python hl_lines="10"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py[ln:14-21]!}
-
-# Code below omitted 👇
-```
-
-////
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-//// tab | Python 3.7+
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-```Python hl_lines="10"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py[ln:14-21]!}
-
-# Code below omitted 👇
-```
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-
-//// tab | Python 3.10+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial002.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial002_py310.py ln[12:19] hl[10] *}
 
 /// tip
 
@@ -850,66 +208,4 @@ So, `back_populates` would most probably be something like `"hero"` or `"heroes"
 
 <img src="/img/tutorial/relationships/attributes/back-populates2.svg">
 
-//// tab | Python 3.10+
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-```Python hl_lines="3  10  13  15"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial003_py310.py[ln:27-39]!}
-
-# Code below omitted 👇
-```
-
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-//// tab | Python 3.9+
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-```Python hl_lines="3  10  13  15"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial003_py39.py[ln:29-41]!}
-
-# Code below omitted 👇
-```
-
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-//// tab | Python 3.7+
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-```Python hl_lines="3  10  13  15"
-# Code above omitted 👆
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-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial003.py[ln:29-41]!}
-
-# Code below omitted 👇
-```
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-
-//// tab | Python 3.10+
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-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial003_py310.py!}
-```
-
-////
-
-//// tab | Python 3.9+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial003_py39.py!}
-```
-
-////
-
-//// tab | Python 3.7+
-
-```Python
-{!./docs_src/tutorial/relationship_attributes/back_populates/tutorial003.py!}
-```
-
-////
-
-///
+{* ./docs_src/tutorial/relationship_attributes/back_populates/tutorial003_py310.py ln[27:39] hl[3,10,13,15] *}