Add simple_echo example

examples/simple_echo.py

@@ -0,0 +1,34 @@
+from pyrogram import Client
+from pyrogram.api import types
+
+"""This simple example bot will reply to all private text messages"""
+
+
+def update_handler(client, update, users, chats):
+    if isinstance(update, types.UpdateNewMessage):  # Filter by UpdateNewMessage (Private Messages)
+        message = update.message  # type: types.Message
+
+        if isinstance(message, types.Message):  # Filter by Message to exclude MessageService and MessageEmpty
+            if isinstance(message.to_id, types.PeerUser):  # Private Messages (Message from user)
+                client.send_message(
+                    chat_id=message.from_id,
+                    text=message.message,
+                    reply_to_message_id=message.id
+                )
+
+
+def main():
+    # Pyrogram setup
+    client = Client("example")
+
+    # Set the update_handler callback function
+    client.set_update_handler(update_handler)
+    client.start()
+
+    # Blocks the program execution until you press CTRL+C then
+    # automatically stops the Client by closing the underlying connection
+    client.idle()
+
+
+if __name__ == "__main__":
+    main()