Translation: I have departed / I departed.
Note that it is literally "I am departed", but it does not carry that meaning.
"I'm out of here" is translated "je suis parti" or "je m'en vais" in French.
Je suis... in French is "I am..." in English.
"I left" in French is "je suis parti" for males and "je suis partie" for females.
"(I) am" in English is (Je) suis in French.
You can say "je suis parti" or "je suis partie" in French, depending on the gender of the speaker.
Je suis qui? in French means "Who am I?" in English.
Que ne suis-je? in French is "What am I not?" in English.
Qui je suis, moi? in French means "Who am I?" in English.
J'en suis ravi! in French means "I'm delighted (about it)" in English.
Je suis comment? in French means "How am I?" or "What do I look like?" in English.
Je suis le musicien! in French is "I am the musician!" in English.
"I am French!" in Engilsh is Je suis francais! in French.