code: def agent_color(self, val):
          
          if val == '0': 
              colour = 'blue'
          elif val == '1':
              colour = 'navy'
          elif val == '2':
              colour = 'firebrick'
          elif val == '3':
              colour = 'blue'
          elif val == '4':
              colour = 'blue2'
          elif val == '5':
              colour = 'blue4'
          elif val == '6':
              colour = 'gray22'
          elif val == '7':
              colour = 'gray57'
          elif val == '8':
              colour = 'red4'
          elif val == '9':
              colour = 'red3'
  
      
          
          return colour
docs: gets a colour for agent 0 - 9