# empty
emptydictionary = {}
print 'emptydictionary = ' + str(emptydictionary) # {}

# phones
phones = {'Mark': '123', 'Ana': '456'}
print 'phones = ' + str(phones) # {'Ana': '456', 'Mark': '123'}

# keys and values
print 'phones.keys() = ' + str(phones.keys()) # ['Ana', 'Mark']
print 'phones.values() = ' + str(phones.values()) # ['456', '123']
