diff --git a/lesson.11.py b/lesson.11.py
new file mode 100644
index 0000000..e9360ab
--- /dev/null
+++ b/lesson.11.py
@@ -0,0 +1,39 @@
+''' ****** Задание 11 из 20 *********
+*
+'''
+
+
+if __name__ == "__main__":
+    TRANSLITERATION_MAP = {
+        'А': 'A', 'Б': 'B', 'В': 'V',
+        'Г': 'G', 'Д': 'D', 'Е': 'E',
+        'Ё': 'E', 'Ж': 'ZH', 'З': 'Z',
+        'И': 'I', 'Й': 'I', 'К': 'K',
+        'Л': 'L', 'М': 'M', 'Н': 'N',
+        'О': 'O', 'П': 'P', 'Р': 'R',
+        'С': 'S', 'Т': 'T', 'У': 'U',
+        'Ф': 'F', 'Х': 'KH', 'Ц': 'TC',
+        'Ч': 'CH', 'Ш': 'SH', 'Щ': 'SHCH',
+        'Ы': 'Y', 'Э': 'E', 'Ю': 'IU',
+        'Я': 'IA', 'Ь': '', 'Ъ': '',
+    }
+
+    input_text = input()
+
+    for char in input_text:
+        upper_char = char.upper()
+
+        if upper_char in TRANSLITERATION_MAP:
+            transliterated = TRANSLITERATION_MAP[upper_char]
+
+            if char.isupper():
+                print(transliterated.capitalize(), end='')
+            else:
+                print(transliterated.lower(), end='')
+        else:
+            print(char, end='')
+
+
+
+
+