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
  new_class.append('Peter Warden')
  print(new_class)
  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=sum(courses.values())
  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'
  first_name=(topper.split(" ")[0])
  last_name=topper.split(" ")[1]
  full_name=last_name+' '+first_name
  certificate_name=full_name.upper()
  print(certificate_name)
  
  
  # Code starts here
  
  
  
  # Code ends here
  
  
  