Hello. I am using python3 and web3py. I have Metamask seed phrase, then I get Account from this phrase like this:

w3.eth.account.enable_unaudited_hdwallet_features()
mnemonic = 'MY_SEED_PHRASE'
acc = w3.eth.account.from_mnemonic(mnemonic)

On my Metamask I have 3 addresses, but acc._address give me only my first. How can I get another 2?