From 797703b48dedd1d6f6fec87f1325987d5a8faa74 Mon Sep 17 00:00:00 2001
From: Harshaabhi <harshamass2007@gmail.com>
Date: Mon, 27 Oct 2025 08:33:21 +0530
Subject: [PATCH 1/2] style: Add type hints and doctest to
 sorts/exchange_sort.py

---
 sorts/exchange_sort.py | 44 +++++++++++++++++++-----------------------
 1 file changed, 20 insertions(+), 24 deletions(-)

diff --git a/sorts/exchange_sort.py b/sorts/exchange_sort.py
index 1ce78a9dc0cb..453c01833bea 100644
--- a/sorts/exchange_sort.py
+++ b/sorts/exchange_sort.py
@@ -1,27 +1,23 @@
-def exchange_sort(numbers: list[int]) -> list[int]:
+def exchange_sort(data: list) -> list:
     """
-    Uses exchange sort to sort a list of numbers.
-    Source: https://en.wikipedia.org/wiki/Sorting_algorithm#Exchange_sort
-    >>> exchange_sort([5, 4, 3, 2, 1])
-    [1, 2, 3, 4, 5]
-    >>> exchange_sort([-1, -2, -3])
-    [-3, -2, -1]
-    >>> exchange_sort([1, 2, 3, 4, 5])
-    [1, 2, 3, 4, 5]
-    >>> exchange_sort([0, 10, -2, 5, 3])
-    [-2, 0, 3, 5, 10]
-    >>> exchange_sort([])
-    []
-    """
-    numbers_length = len(numbers)
-    for i in range(numbers_length):
-        for j in range(i + 1, numbers_length):
-            if numbers[j] < numbers[i]:
-                numbers[i], numbers[j] = numbers[j], numbers[i]
-    return numbers
+    Sorts a list of elements using the Exchange Sort algorithm.
+
+    Exchange Sort is a variant of Bubble Sort, swapping elements if they
+    are found to be out of order.
 
+    Examples:
+    >>> exchange_sort([5, 2, 9, 1, 5])
+    [1, 2, 5, 5, 9]
+    >>> exchange_sort([10, 5, 3, 2])
+    [2, 3, 5, 10]
+    """
+    n = len(data)
+    for i in range(n):
+        for j in range(i + 1, n):
+            if data[i] > data[j]:
+                data[i], data[j] = data[j], data[i]
+    return data
 
-if __name__ == "__main__":
-    user_input = input("Enter numbers separated by a comma:\n").strip()
-    unsorted = [int(item) for item in user_input.split(",")]
-    print(exchange_sort(unsorted))
+if __name__ == '__main__':
+    import doctest
+    doctest.testmod()

From 1c68decefa27bba9f8893bf2b2bcc112478d9386 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Mon, 27 Oct 2025 03:11:27 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 sorts/exchange_sort.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sorts/exchange_sort.py b/sorts/exchange_sort.py
index 453c01833bea..b6c1a4b6bd8a 100644
--- a/sorts/exchange_sort.py
+++ b/sorts/exchange_sort.py
@@ -18,6 +18,8 @@ def exchange_sort(data: list) -> list:
                 data[i], data[j] = data[j], data[i]
     return data
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     import doctest
+
     doctest.testmod()