Roblox I Shift To Sprint I Script

game:GetService("UserInputService").InputBegan:connect(function
    (input,gameprocesed)
    if input.KeyCode == Enum.KeyCode.LeftShift then
        for i = 1,16 do
            wait()
            game.Workspace.Camera.FieldOfView =
            game.Workspace.Camera.FieldOfView + 1.6
            game.Players.LocalPlayer.Character:WaitForChild
            ("Humanoid").WalkSpeed =
            game.Players.LocalPlayer.Character:WaitForChild("Humanoid").WalkSpeed +1
        end
    end
end)

game:GetService("UserInputService").InputEnded:connect(function
    (input,gameprocesed)
    if input.KeyCode == Enum.KeyCode.LeftShift then
        for i = 1,16 do
            wait()
            game.Workspace.Camera.FieldOfView =
            game.Workspace.Camera.FieldOfView - 1.6
            game.Players.LocalPlayer.Character:WaitForChild
            ("Humanoid").WalkSpeed =
            game.Players.LocalPlayer.Character:WaitForChild("Humanoid").Walkspeed -1
        end
    end
end)

game.Players.LocalPlayer.Character:WaitForChild
("Humanoid").Died:connect(function()
    game.Workspace.Camera.FieldOfView = 70
    game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 16
    script.Disabled = true
end)