diff --git a/Practice Assignment 1/.python-version b/Practice Assignment 1/.python-version
new file mode 100644
index 0000000..6324d40
--- /dev/null
+++ b/Practice Assignment 1/.python-version	
@@ -0,0 +1 @@
+3.14
diff --git a/Practice Assignment 1/README.md b/Practice Assignment 1/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/Practice Assignment 1/example.mp4 b/Practice Assignment 1/example.mp4
new file mode 100644
index 0000000..5d93889
Binary files /dev/null and b/Practice Assignment 1/example.mp4 differ
diff --git a/Practice Assignment 1/main.py b/Practice Assignment 1/main.py
new file mode 100755
index 0000000..3141eba
--- /dev/null
+++ b/Practice Assignment 1/main.py	
@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+
+"""An app to encrypt and decrypt text using ROT13."""
+
+from textual.app import App, ComposeResult
+from textual.binding import Binding
+from textual.containers import Horizontal
+from textual.widgets import Button, Footer, Header, TextArea
+
+
+def transcript(text: str) -> str:
+    """Applies ROT13 transformation to the input string."""
+    return text.translate(
+        str.maketrans(
+            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
+            "NOPQRSTUVWXYZABCDEFGHIJKLMnopqrstuvwxyzabcdefghijklm",
+        )
+    )
+
+
+class Rot13App(App):
+    """A Textual app for ROT13 encryption and decryption."""
+
+    TITLE = "ROT13"
+
+    BINDINGS = [
+        Binding("ctrl+e", "encrypt", "Encrypt", show=True),
+        Binding("ctrl+d", "decrypt", "Decrypt", show=True),
+        Binding("ctrl+x", "quit", "Exit", show=True),
+    ]
+
+    CSS = """
+    Screen {
+        layout: vertical;
+        padding: 1 2;
+    }
+
+    TextArea {
+        height: 1fr;
+        margin-bottom: 1;
+    }
+
+    Horizontal {
+        height: auto;
+        align: center middle;
+    }
+
+    Button {
+        margin: 0 1;
+    }
+    """
+
+    def compose(self) -> ComposeResult:
+        yield Header()
+        yield TextArea(placeholder="Enter text here...")
+        with Horizontal():
+            yield Button("Encrypt", id="encrypt_btn", variant="primary")
+            yield Button("Decrypt", id="decrypt_btn", variant="success")
+            yield Button("Exit", id="exit_btn", variant="error")
+        yield Footer()
+
+    def process_text(self) -> None:
+        """Helper to transform and replace text inside the TextArea."""
+        text_area = self.query_one(TextArea)
+        text_area.text = transcript(text_area.text)
+
+    # Keyboard binding actions
+    def action_encrypt(self) -> None:
+        self.process_text()
+
+    def action_decrypt(self) -> None:
+        self.process_text()
+
+    # Button click handlers
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+        if event.button.id in ("encrypt_btn", "decrypt_btn"):
+            self.process_text()
+        elif event.button.id == "exit_btn":
+            self.exit()
+
+
+if __name__ == "__main__":
+    app = Rot13App()
+    app.run()
\ No newline at end of file
diff --git a/Practice Assignment 1/pyproject.toml b/Practice Assignment 1/pyproject.toml
new file mode 100644
index 0000000..f794531
--- /dev/null
+++ b/Practice Assignment 1/pyproject.toml	
@@ -0,0 +1,19 @@
+[project]
+name = "practice-assignment-1"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+authors = [
+    { name = "Uthman Fatih", email = "kingvcheese@gmail.com" }
+]
+requires-python = ">=3.14"
+dependencies = [
+    "textual>=8.2.8",
+]
+
+[project.scripts]
+practice-assignment-1 = "practice_assignment_1:main"
+
+[build-system]
+requires = ["uv_build>=0.12.7,<0.13.0"]
+build-backend = "uv_build"
diff --git a/Practice Assignment 1/src/practice_assignment_1/__init__.py b/Practice Assignment 1/src/practice_assignment_1/__init__.py
new file mode 100644
index 0000000..289331e
--- /dev/null
+++ b/Practice Assignment 1/src/practice_assignment_1/__init__.py	
@@ -0,0 +1,2 @@
+def main() -> None:
+    print("Hello from practice-assignment-1!")
diff --git a/Practice Assignment 1/uv.lock b/Practice Assignment 1/uv.lock
new file mode 100644
index 0000000..86b4994
--- /dev/null
+++ b/Practice Assignment 1/uv.lock	
@@ -0,0 +1,118 @@
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+revision = 3
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