first_test

Co-authored-by: Copilot <copilot@github.com>

source/quicksort.py

@@ -0,0 +1,7 @@
+def quicksort(arr):
+    if len(arr) <= 1:
+        return arr
+    pivot = arr[-1]
+    left = [x for x in arr[:-1] if x <= pivot]
+    right = [x for x in arr[:-1] if x > pivot]
+    return quicksort(left) + [pivot] + quicksort(right)