I am new to coding and c#, but I have been trying to make my player without gravity affecting it. But my player keeps moving up and doing nothing else. I have started by trying to make it move to the left and right.
I am not sure where I went wrong or if I should start over as I am not to far in or if I should fix a small mistake.

Here is my code:

     using System.Collections;
     using System.Collections.Generic;
     using UnityEngine;

     public class PlayerMovement1 : MonoBehaviour
     {
     private float speed;
     // Start is called before the first frame update
     void Start()
     {
        
     }

     // Update is called once per frame
     void Update()
     {
        float horizontalInput = Input.GetAxis("Horizontal");
        float verticalInput = Input.GetAxis("Vertical");

        Vector2 direction = new Vector2(horizontalInput, verticalInput);

        transform.Translate(direction * speed * Time.deltaTime);
     }
     }