Untitled

# Nested Lists
food = [['apple', 'banana', 'grapes'],
        ['avocado', 'onion', 'carrot'],
        ['pie', 'mac&cheese', 'pasta']]

print(food)

# The “*” operator
book_titles = "Emma Night Lolita Dracula Rebecca Hamlet Utopia".split()
print(book_titles)
# ['Emma', 'Night', 'Lolita', 'Dracula', 'Rebecca', 'Hamlet', 'Utopia']
print(*book_titles)
# Emma Night Lolita Dracula Rebecca Hamlet Utopia

numbers = [1, 2, 3, 4]
print(numbers*2)
# [1, 2, 3, 4, 1, 2, 3, 4]

# List Slices
book_titles = "Emma Night Lolita Dracula Rebecca Hamlet Utopia".split()

print(book_titles[2:4])
# ['Lolita', 'Dracula']

print(book_titles[2:])
# ['Lolita', 'Dracula', 'Rebecca', 'Hamlet', 'Utopia']

print(book_titles[:5])
# ['Emma', 'Night', 'Lolita', 'Dracula', 'Rebecca']

print(book_titles[:])
# ['Emma', 'Night', 'Lolita', 'Dracula', 'Rebecca', 'Hamlet', 'Utopia']


# The += operator

book_titles = "Emma Night Lolita Dracula".split()
print(book_titles)
book_titles += ['Rebecca', 'Hamlet', 'Utopia']
# book_titles = book_titles + ['Rebecca', 'Hamlet', 'Utopia']

print(book_titles)

# Filter List
book_titles = "Emma Night Lolita Dracula Rebecca Hamlet Utopia".split()
print(book_titles)
filtered_books = list(filter(lambda book_title: len(book_title)>5, book_titles))
print(filtered_books)

# f)	A list operation that is legal but does the "wrong" thing, and not what the programmer expects
book_titles = "Emma Night Lolita Dracula".split()

book_titles = book_titles.append('Hamplet')
print(book_titles)