diff --git a/main.py b/main.py
new file mode 100644
index 0000000..cfa4d0a
--- /dev/null
+++ b/main.py
@@ -0,0 +1,70 @@
+def calculator(n1, n2, oper):
+    print(eval(f"{n1}{oper}{n2}"))
+    exec(f'print({n1}{oper}{n2})')
+
+
+s = ['анТОн', 'НАТАЛЬЯ', 'никита', 'МаРиЯ',
+     '!СЕРГЕЙ!', 'Владимир747', 'Павел+100500']
+
+
+def filtering():
+    global s
+    cap_s = list(map(lambda data: data.capitalize(), s))
+    print(*cap_s)
+
+
+def honest(data):
+    return list(filter(lambda x: x % 2 == 0, data))
+
+
+def cesar():
+    line = input()
+    cesar_line: str = ''
+    for i in line:
+        cesar_line += chr(ord(i) + 3)
+    return cesar_line
+
+
+def countdown(data):
+    data = sorted(data, reverse=True)
+    for i in data:
+        print(i)
+    print("Пуск")
+
+
+def alphabet():
+    lch = [chr(x) for x in range(ord('a'), ord('z'))]
+    hch = [chr(x) for x in range(ord('A'), ord('Z'))]
+    alphabet = hch + lch
+    al_dict = dict()
+    for i in alphabet:
+        al_dict[i] = ord(i)
+        print(f'{ord(i)} - {i}')
+
+    print(al_dict)
+
+
+def decorator(my_decorator):
+    def get_name() -> str:
+        name = input('Введите имя: ')
+        my_decorator(name)
+        return name
+    return get_name
+
+
+def greeting(name):
+    print(f"Привет, {name}")
+
+
+def html(my_decorator):
+    def parag(field) -> str:
+        return f"<p>{my_decorator(field)}</p>"
+    return parag
+
+
+@html
+def render_input(field):
+    return f'<input id="id_{field}" name="{field}">'
+
+
+print(render_input("login"))
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