parameters: (self, which)
return_statement: return self._longcmd('RETR %s' % which)
docstring: Retrieve whole message number 'which'.
  
          Result is in form ['response', ['line', ...], octets].
docstring_summary: Retrieve whole message number 'which'.
docstring_tokens: Retrieve whole message number which .
function: def retr(self, which):
          """Retrieve whole message number 'which'.
  
          Result is in form ['response', ['line', ...], octets].
          """
          return self._longcmd('RETR %s' % which)
function_tokens: def retr ( self , which ) : return self . _longcmd ( 'RETR %s' % which )