Please convert the following code to Python.

using UnityEngine; using System.Collections; using UnityEngine.UI; public class NewBehaviourScript : MonoBehaviour { public float CurrentHealth; public float MaxHealth; public Slider thisSlider; public float CurrentLvl; public float StartLvl; public Text DisplayLvl; // Use this for initialization void Start () { MaxHealth = 50f; CurrentHealth = MaxHealth - MaxHealth; StartLvl = 0f; CurrentLvl = StartLvl; thisSlider.value = CalcHealth (); DisplayLvl = GetComponent (); } // Update is called once per frame void Update () { if(Input.GetKeyDown("n")) { CurrentHealth = CurrentHealth + 5; thisSlider.value = CalcHealth (); } if (CurrentHealth >= MaxHealth) { CurrentHealth = 0f; CurrentLvl = CurrentLvl + 1; } DisplayLvl.text = CurrentLvl.ToString (); } float CalcHealth() { return CurrentHealth / MaxHealth; } float GetLvl() { return CurrentLvl; } }