all tasks

Task/Sorting-algorithms-Merge-sort/Python/sorting-algorithms-merge-sort-1.py

@@ -0,0 +1,13 @@
+from heapq import merge
+
+def merge_sort(m):
+    if len(m) <= 1:
+        return m
+
+    middle = len(m) / 2
+    left = m[:middle]
+    right = m[middle:]
+
+    left = merge_sort(left)
+    right = merge_sort(right)
+    return list(merge(left, right))

Task/Sorting-algorithms-Merge-sort/Python/sorting-algorithms-merge-sort-2.py

@@ -0,0 +1,17 @@
+def merge(left, right):
+    result = []
+    left_idx, right_idx = 0, 0
+    while left_idx < len(left) and right_idx < len(right):
+        # change the direction of this comparison to change the direction of the sort
+        if left[left_idx] <= right[right_idx]:
+            result.append(left[left_idx])
+            left_idx += 1
+        else:
+            result.append(right[right_idx])
+            right_idx += 1
+
+    if left:
+        result.extend(left[left_idx:])
+    if right:
+        result.extend(right[right_idx:])
+    return result