From cdf7ba502662b4428bd88141cf3efa0594662f61 Mon Sep 17 00:00:00 2001
From: Divlo <contact@divlo.fr>
Date: Tue, 29 Jun 2021 20:41:11 +0200
Subject: [PATCH] feat(solutions): add
 `sorting-algorithms/python/insertion-sort`

---
 .../solutions/python/bubble-sort/solution.py  |  2 +-
 .../solutions/python/insertion-sort/README.md |  7 ++++++
 .../python/insertion-sort/solution.py         | 23 +++++++++++++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 challenges/sorting-algorithms/solutions/python/insertion-sort/README.md
 create mode 100644 challenges/sorting-algorithms/solutions/python/insertion-sort/solution.py

diff --git a/challenges/sorting-algorithms/solutions/python/bubble-sort/solution.py b/challenges/sorting-algorithms/solutions/python/bubble-sort/solution.py
index f43b989..9f1540b 100644
--- a/challenges/sorting-algorithms/solutions/python/bubble-sort/solution.py
+++ b/challenges/sorting-algorithms/solutions/python/bubble-sort/solution.py
@@ -1,4 +1,4 @@
-from typing import List, Any
+from typing import List
 import sys
 
 
diff --git a/challenges/sorting-algorithms/solutions/python/insertion-sort/README.md b/challenges/sorting-algorithms/solutions/python/insertion-sort/README.md
new file mode 100644
index 0000000..7776113
--- /dev/null
+++ b/challenges/sorting-algorithms/solutions/python/insertion-sort/README.md
@@ -0,0 +1,7 @@
+# sorting-algorithms/python/insertion-sort
+
+Created by [@Divlo](https://github.com/Divlo) on 29 June 2021.
+
+| Algorithm                                                   | Best Case   | Average Case | Worst Case  |
+| ----------------------------------------------------------- | ----------- | ------------ | ----------- |
+| [Insertion sort](https://wikipedia.org/wiki/Insertion_sort) | O(n)        | O(n²)        | O(n²)       |
diff --git a/challenges/sorting-algorithms/solutions/python/insertion-sort/solution.py b/challenges/sorting-algorithms/solutions/python/insertion-sort/solution.py
new file mode 100644
index 0000000..599e4cd
--- /dev/null
+++ b/challenges/sorting-algorithms/solutions/python/insertion-sort/solution.py
@@ -0,0 +1,23 @@
+from typing import List
+import sys
+
+
+def insertion_sort(numbersInput: List[int]) -> List[int]:
+    numbers = list(numbersInput)
+    for index_1 in range(1, len(numbers)):
+        current = numbers[index_1]
+        index_2 = index_1 - 1
+        while index_2 >= 0 and numbers[index_2] > current:
+            numbers[index_2 + 1] = numbers[index_2]
+            index_2 -= 1
+        numbers[index_2 + 1] = current
+    return numbers
+
+
+numbers: List[int] = []
+for value in sys.stdin:
+    numbers.append(int(value.rstrip('\n')))
+
+sorted_numbers = insertion_sort(numbers)
+for number in sorted_numbers:
+    print(number)