Add materials for the indent tutorial (#720)

* Add materials for the indent tutorial

* Add missing files

* Suppress Ruff

* Suppress linter for a specific file

---------

Co-authored-by: Bartosz Zaczyński <bartosz.zaczynski@gmail.com>

Author: acsany

how-to-indent-in-python/README.md

@@ -0,0 +1,3 @@
+# How to Properly Indent Python Code
+
+This folder contains sample code for the Real Python tutorial [How to Properly Indent Python Code](https://realpython.com/how-to-indent-in-python/).

how-to-indent-in-python/long_indented_list.py

@@ -0,0 +1,17 @@
+long_list_of_names = [
+    "Amy",
+    "Brian",
+    "Carol",
+    "Dennis",
+    "Emma",
+    "Frank",
+    "Georgia",
+    "Herbert",
+    "Isabelle",
+    "Joshua",
+    "Kimberly",
+    "Laurence",
+    "Megan",
+    "Nicolas",
+    "Ophelia",
+]

how-to-indent-in-python/lucky_number.py

@@ -0,0 +1,8 @@
+lucky_number = 7
+for number in range(10):
+    if number == lucky_number:
+        print("Found the lucky number!")
+    else:
+        print(f"{number} is not my lucky number.")
+
+print("Done.")

how-to-indent-in-python/sample_code.py

@@ -0,0 +1,12 @@
+# ruff: noqa
+def add(a,      b):
+    answer       = a    +     b
+
+    return  answer
+
+def sub (c      ,
+    d):
+
+    answer = c      -d
+
+    return answer

pyproject.toml

@@ -4,7 +4,8 @@ line-length = 79
 exclude = [
     ".devcontainers",
     ".github",
-    "migrations"
+    "migrations",
+    "how-to-indent-in-python/sample_code.py"
 ]
 
 [tool.ruff.lint]