"make me a roblox exploit script that makes me fly when I press E"

-- local script 
local player = game.Players.LocalPlayer
local mouse = player:GetMouse()

local function fly()
    local character = player.Character
    if character then
        local humanoid = character:FindFirstChildOfClass("Humanoid")
        if humanoid then
            humanoid.PlatformStand = true
            local force = Instance.new("BodyForce", humanoid.Torso)
            force.Name = "FlyForce"
            force.force = Vector3.new(0, humanoid.MaxJumpForce * 2, 0)
        end
    end
end

mouse.KeyDown:Connect(function(key)
    if key == "e" then
        fly()
    end
end)

mouse.KeyUp:Connect(function(key)
    if key == "e" then
        local character = player.Character
        if character then
            local humanoid = character:FindFirstChildOfClass("Humanoid")
            if humanoid then
                humanoid.PlatformStand = false
                local flyForce = humanoid.Torso:FindFirstChild("FlyForce")
                if flyForce then
                    flyForce:Destroy()
                end
            end
        end
    end
end)