# Program 3: Demonstrate use of List

print("PROGRAM FOR BUILT-IN METHODS OF LIST\n"); animal = ['Cat', 'Dog', 'Rabbit']

animal.append('Cow')

print("Updated animal lists : ",animal)

language = ['Python', 'Java', 'C++', 'French', 'c']

return_value = language.pop(3)

print("Updated List : ", language)

vowels = ['e', 'a', 'u', 'o', 'i']

vowels.sort()

print("Sorted list in Ascending: ", vowels)

vowels.sort(reverse = True)

print("sorted list in Descending : ",vowels)

vowel = ['a', 'e', 'i', 'u']

vowel.insert(3,'o')

print("Updated list : ", vowel)

animal = ['cat', 'dog', 'rabbit', 'pig']

animal.remove('rabbit')

print('Updated animal lists, animal)

os=['Window', 'MacOS', 'Linux']

print("Original list : ", os)

os.reverse()

print("Updated list : ",os)