code: def summarise(self):
          
          res = ''
          if self.user == 'Developer': 
              if self.host == 'Home PC':
                  res += 'At Home'
              else:
                  res += 'Away from PC'
          elif self.user == 'User' and self.host == 'Home PC':
              res += 'Remote desktop into home PC'
          res += '\n'
          res += self.transport
          return res
docs: extrapolate a human readable summary of the contexts