diff --git a/km73/Muzyka_Oksana/task1.py b/km73/Muzyka_Oksana/task1.py
new file mode 100644
index 00000000..121f355b
--- /dev/null
+++ b/km73/Muzyka_Oksana/task1.py
@@ -0,0 +1,31 @@
+def integer(list, iterator):
+    if iterator == -1:
+        return
+    list[iterator] = int(list[iterator])
+    return integer(list, iterator - 1)
+
+
+def second_maximum(list):
+    if len(list) == 0:
+        return
+    if len(list) == 1:
+        return list[0]
+    maximum = second_maximum(list[1:])
+    return maximum if maximum > list[0] else list[0]
+
+
+def delete_max(list, iterator):
+    if iterator == -1:
+        return
+    if list[iterator] < mx:
+        result.append(list[iterator])
+    return delete_max(list, iterator - 1)
+
+
+result = []
+list = input("Enter list: ").split()
+integer(list, len(list) - 1)
+mx = max(list)
+delete_max(list, len(list) - 1)
+
+print(second_maximum(result))
diff --git a/km73/Muzyka_Oksana/task2.py b/km73/Muzyka_Oksana/task2.py
new file mode 100644
index 00000000..e7e3c770
--- /dev/null
+++ b/km73/Muzyka_Oksana/task2.py
@@ -0,0 +1,13 @@
+def groups(list, iterator):
+    if iterator == len(list):
+        return max(a)
+    list_two = "".join(list)
+    count_of_element = list.count(list[iterator])
+    if (count_of_element - iterator)*str(list[iterator]) in list:
+        a.append(count_of_element - iterator)
+    return groups(list, iterator + 1)
+
+
+a = []
+list = input("Enter list : ").split()
+print(groups(list, 0))
diff --git a/km73/Muzyka_Oksana/task3.py b/km73/Muzyka_Oksana/task3.py
new file mode 100644
index 00000000..381600f7
--- /dev/null
+++ b/km73/Muzyka_Oksana/task3.py
@@ -0,0 +1,18 @@
+def maximum_count(list, iterator, sum):
+    if iterator == -1:
+        return sum
+    elif list[iterator] == max(list):
+        sum += 1
+    return maximum_count(list, iterator - 1, sum)
+
+
+def integer(list, iterator):
+    if iterator == -1:
+        return
+    list[iterator] = int(list[iterator])
+    return integer(list, iterator - 1)
+
+
+list = input("Enter list: ").split()
+integer(list, len(list) - 1)
+print(maximum_count(list, len(list) - 1, 0))