# Assigning a dictionary with three key-value pairs to residents:

residents = {'Puffin' : 104, 'Sloth' : 105, 'Burmese Python' : 106}

print residents['Puffin'] # Prints Puffin's room number

# Your code here!

print residents['Sloth']

print residents['Burmese Python']

###############################################################

menu = {} # Empty dictionary

menu['Chicken Alfredo'] = 14.50 # Adding new key-value pair

print menu['Chicken Alfredo']

# Your code here: Add some dish-price pairs to menu!

menu['Chicken'] = 13.50

menu['Alfredo'] = 111.50

menu['Al'] = 111.50

print "There are " + str(len(menu)) + " items on the menu."

print menu

###############################################################

# key - animal_name : value - location

zoo_animals = { 'Unicorn' : 'Cotton Candy House',

'Sloth' : 'Rainforest Exhibit',

'Bengal Tiger' : 'Jungle House',

'Atlantic Puffin' : 'Arctic Exhibit',

'Rockhopper Penguin' : 'Arctic Exhibit'}

# A dictionary (or list) declaration may break across multiple lines

# Removing the 'Unicorn' entry. (Unicorns are incredibly expensive.)

del zoo_animals['Unicorn']

# Your code here!

del zoo_animals['Sloth']

del zoo_animals['Bengal Tiger']

zoo_animals['Rockhopper Penguin'] = 'other'

print zoo_animals