# --------------
# Code starts here
class_1 = ['<NAME>','<NAME>','<NAME>','<NAME>']
class_2 = ['<NAME>','<NAME>','<NAME>']
new_class = class_1 + class_2
print(new_class)
a = new_class.append('<NAME>')
print(new_class)
b = new_class.remove('<NAME>')
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 = {'<NAME>' : 78, '<NAME>' : 95, '<NAME>' : 65, '<NAME>': 50, '<NAME>' : 70, '<NAME>' : 66, '<NAME>' : 75  }

topper = max(mathematics,key = mathematics.get)
print(topper)

# Code ends here  


# --------------
# Given string
topper = '<NAME>'

print(topper.split())

first_name = 'andrew'
last_name = 'ng'

full_name = last_name + " " + first_name

certificate_name = full_name.upper()
print(certificate_name)
# Code starts here



# Code ends here


