πάνυ γε
From LSJ
Ἔστιν τὸ τολμᾶν, ὦ φίλ', ἀνδρὸς οὐ σοφοῦ → Amice, non sapientis es res temeritas → Leichtsinn, mein Freund, passt nicht zu einem weisen Mann
Greek > English (Woodhouse)
assuredly, certainly, yes, by all means, in answer to a question, yeah