matrix

li = ['array','b',False, 10]

cadena='01234567890ABCDEF'

# Inmmutable
# cadena[0]='1'

print (type(li[3]))

print (cadena[10:3:-1])

amazon_cart = [
    'Toys',
    'grapes',
    'milk',
    'clothes'
]

#Lists are mutable
amazon_cart[0]='Tools'
new_cart=amazon_cart [1:3]
new_cart2=amazon_cart
new_cart3=amazon_cart[:]

new_cart2[0]='wines'
new_cart3[0]='water'
#list slicing
print (amazon_cart[0:4])
print (new_cart)
print (new_cart2)
print (new_cart3)