text: # --------------
  # Code starts here
  class_1=['Geoffrey Hinton','Andrew Ng','Sebastian Raschka','Yoshua Bengio']
  class_2=['Hilary Mason','Carla Gentry','Corinna Cortes']
  new_class=class_1+class_2
  print(new_class)
  new_class.append('Peter Warden')
  new_class.remove('Carla Gentry')
  print(new_class)
  
  # Code ends here
  
  
  # --------------
  # Code starts here
  courses={"Math":65,"English":70,"History":80,"French":70,"Science":60}
  
  
  
  total=courses["Math"]+courses["English"]+courses["History"]+courses["French"]
  total=total+courses["Science"]
  print(total)
  percentage=(total/500)*100
  print(percentage)
  
  # Code ends here
  
  
  # --------------
  # Code starts here
  mathematics={"Geoffrey Hinton":78,"Andrew Ng":95,"Sebastian Raschka":65,
  "Yoshua Benjio":50,"Hilary Mason":70,"Corinna Cortes":66,"Peter Warden":75
  }
  topper=max(mathematics,key = mathematics.get)
  print(topper)
  
  
  # Code ends here  
  
  
  # --------------
  # Given string
  topper = 'andrew ng'
  
  
  # Code starts here
  first_name,last_name=topper.split()
  full_name =last_name+" "+first_name
  certificate_name=full_name.upper()
  print(certificate_name)
  # Code ends here
  
  
  