added socket programming ftp algorithm

socket_programming/file_transfer/file.txt

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+Hello world

socket_programming/file_transfer/receiver.py

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+import socket
+
+
+def start_ftp_server(host, port) -> None:
+    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    server_socket.bind((host, port))
+    server_socket.listen(1)
+
+    print(f"Server listening on {host}:{port}...")
+
+    while True:
+        client_socket, client_address = server_socket.accept()
+        print(f"Connection from {client_address}")
+
+        file_name = client_socket.recv(1024).decode()
+        print(f"Receiving file: {file_name}")
+
+        with open(file_name, "wb") as file:
+            while True:
+                data = client_socket.recv(1024)
+                if not data:
+                    break
+                file.write(data)
+
+        print(f"File {file_name} received successfully.")
+        client_socket.close()
+
+
+if __name__ == "__main__":
+    host = "127.0.0.1"
+    port = 12345
+
+    start_ftp_server(host, port)

socket_programming/file_transfer/sender.py

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+import socket
+
+
+def send_file_to_server(host, port, file_path) -> None:
+    client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    client_socket.connect((host, port))
+
+    file_name = file_path.split("/")[-1]
+    client_socket.send(file_name.encode())
+
+    with open(file_path, "rb") as file:
+        while True:
+            data = file.read(1024)
+            if not data:
+                break
+            client_socket.send(data)
+
+    print(f"File {file_name} sent successfully.")
+    client_socket.close()
+
+
+if __name__ == "__main__":
+    host = "127.0.0.1"
+    port = 12345
+
+    file_path = "file.txt"
+
+    send_file_to_server(host, port, file_path)