i need help i keep getting errors

the errors are error 'CS0111: Type 'Mouselook' already defines a member called 'Update' with the same parameter types' x2 and
The namespace '<global namespace>' already contains a definition for 'Mouselook' is ther anything wrong with my code?

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5. public class Mouselook : MonoBehaviour
6. {
7.  
8.     public float mouseSensitivity = 100f;
9.  
10.     public Transform playerBody;
11.     // Start is called before the first frame update
12.     void Start()
13.     {
14.        
15.     }
16.  
17.     // Update is called once per frame
18.     void Update()
19.     {
20.         float mouseX = Input.GetAxis("Mouse X") * mouseSensitivity * Time.deltaTime;
21.         float mouseY = input.GetAxis("mouse Y") * mouseSensitivity * Time.deltaTime;
22.  
23.         playerBody.Rotate(Vector3.up * mouseX);
24.     }
25. }
26.  

 

You created a class with a name that already exists.
Rename it to something else and dont forget to rename the file to the same name as the class.

 

what do I change and where do i change it

 

Your error literally tells you that 'Mouselook' already exists. So you have that name twice. Either you created a class with the same name twice, or Unity or one of the assets you imported also uses a 'Mouselook'. So what do you rename? Mouselook, of course. And since class- and filename have to match, you have to rename the file as well.

 

@Yoreki already gave the most direct solution. Though this is also a reason namespaces exist. A bit of an advanced topic for a beginner, but might be worth a google of "C# namespace" to learn something new.