From 2e31f0be2ca59573fdf506bde2f4023da19e8729 Mon Sep 17 00:00:00 2001
From: Patrik Tulach <patrik.tulach@student.tuke.sk>
Date: Mon, 28 Sep 2026 20:38:10 +0200
Subject: [PATCH] u2

---
 u2/list_ops.py | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 u2/list_ops.py

diff --git a/u2/list_ops.py b/u2/list_ops.py
new file mode 100644
index 0000000..4581d7e
--- /dev/null
+++ b/u2/list_ops.py
@@ -0,0 +1,45 @@
+def append(list1, list2):
+    result = []
+    for x in list1:
+        result = result + [x]
+    for x in list2:
+        result = result + [x]
+
+def concat(lists):
+    result = []
+    for list in lists:
+        append(result, list)
+    return result
+
+def filter(function, list):
+    result = []
+    for x in list:
+        if function(x):
+            result = result + [x]
+    return result
+
+def length(list):
+    lng = 0
+    for i in list:
+        lng += 1
+    return lng
+
+def map(function, list):
+    result = []
+    for x in list:
+        if function(x) not in result:
+            result = result + [x]
+    return result
+
+def foldl(function, list, initial):
+    acc = initial
+    for x in list:
+        acc = function(acc, x)
+    return acc
+
+def foldr(function, list, initial):
+    return foldl(function, reverse(list), initial)
+
+def reverse(list):
+    result = list[::-1]
+    return result
\ No newline at end of file