Yes, it is the same address. Experimenting with it is a great way to explore the features of the account. There is no harm in doing so, as long as you are aware that the account will have a balance of 0 Tez. It is important to remember that this account is not connected to any other accounts or services, so any funds sent to it will not be accessible. It is also important to be aware that this account is not protected by any security measures and could be vulnerable to malicious activity. Therefore, it is important to take all necessary precautions when experimenting with the account.