Help with script C#

Hello, i am currently trying to make a game, but encountered a problem with the movement script that i am using. What i want to happen is the player moves to the right on it's own which is working fine. also i want to have the player jump when the mouse button is pressed down. But i am having issues with the jumping part of my script, the jump works fine, but i can't use the button i set to control the jumping, so the player will jump, and then bounce forever. here is my script.

 using UnityEngine;
 using System.Collections;
 
 public class CharacterMovement : MonoBehaviour {
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 }