diff --git a/list.reverse.py b/list.reverse.py
new file mode 100644
index 0000000..f32f17b
--- /dev/null
+++ b/list.reverse.py
@@ -0,0 +1,7 @@
+a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+i = 0
+lena = len(a)
+while i < lena //  2:
+    a[i], a[lena -1 -i] = a[lena -1 -i], a[i]
+    i += 1
+print(a)
diff --git a/negative.index.py b/negative.index.py
new file mode 100644
index 0000000..628d90c
--- /dev/null
+++ b/negative.index.py
@@ -0,0 +1,6 @@
+a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+i = 0
+while i < len(a) // 2:
+    a[i], a[-i -1] = a[-i -1], a[i]
+    i += 1
+print(a)
diff --git a/negative.index.while.py b/negative.index.while.py
new file mode 100644
index 0000000..2b58f61
--- /dev/null
+++ b/negative.index.while.py
@@ -0,0 +1,6 @@
+a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+i = 0
+while i < len(a) // 2:
+    a[i], a[-i - 1] = a[-i - 1], a[i]
+    i += 1
+print(a)
\ No newline at end of file
diff --git a/walrus.py b/walrus.py
new file mode 100644
index 0000000..9b3307b
--- /dev/null
+++ b/walrus.py
@@ -0,0 +1,2 @@
+while (s := input('Bir yazı giriniz:')) != 'quit':
+    print(s[::-1])