How do you say hello and goodbye in Italian?

Question: How do you say hello and goodbye in Italian?
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Asked by Adiboo to Giovanna on 17 Nov 2014.
- Giovanna Bermano answered on 17 Nov 2014:
  
  Ciao….we use the same word for both hello and goodbye, unless we say buon giorno or Buona sera for good morning or goodevening, but that is a bit more formal….ciao

Question: How do you say hello and goodbye in Italian?