diff --git a/quick_sort.py b/quick_sort.py
new file mode 100644
index 0000000..ea86eae
--- /dev/null
+++ b/quick_sort.py
@@ -0,0 +1,22 @@
+def partition(array, start, end):
+    pivot = array[start]
+    low = start + 1
+    high = end
+  while True:
+        while low <= high and array[high] >= pivot:
+            high = high - 1
+        while low <= high and array[low] <= pivot:
+            low = low + 1
+        if low <= high:
+            array[low], array[high] = array[high], array[low]
+        else:
+            break
+    array[start], array[high] = array[high], array[start]
+    return high
+ #fuction of quick_sort
+def quick_sort(array, start, end):
+    if start >= end:
+        return
+    p = partition(array, start, end)
+    quick_sort(array, start, p-1)
+    quick_sort(array, p+1, end)