Python error

# Dictionary script
# creates a mapping of state to abbreviation
states = [
'New York' : 'NY',
'Florida' : 'FL',
'California' : 'CA',
'New York' : 'NY',
'Michigan' : 'MI'
]
# create a basic set of states and some cities in them
cities = [
'CA' : 'San Fransico',
'MI' : 'Detroit',
'FL' : 'Jacksonville'
]
# add some more cities
cities['NY'] = 'New York'
cities['OR'] = 'Portland'
# print out some cities
print '_' * 10
print "NY State has: ", cities['NY']
print "OR State has: ", cities['OR']
# print some states
print '_' * 10
print "Michigan's abbreviation is: ", states['Michigan']
print "Florida's abbreviation is: ", states['Florida']
# do it by using the state then cities dict
print '_' * 10
print "Michigan's has: ", cities[states['Michigan']]
print "Florida's has: ", cities[states['Florida']]
# print every state abbreviation
print '_' * 10
for state, abbrev in states.items():
print "%s is abbreviated %s" % (state,abbrev)
# print every city in state
print '_' * 10
for abbrev, city in cities.items():
print " %s has the city %s" % (abbrev,city)
# now do both at the same time
print '_' * 10
for state, abbrev in states.items():
print " %s state is abbreviated %s and has city %s" % (state, abbrev, cities[abbrev])
print '_' * 10
# safely get an abbreviation by state that might not be there
state = states.get('Texas', None)
if not state:
print "Sorry, no taxes."
# get a city with a default value
city = cities.get('TX', 'Does Not Exist')
print "The city for the state 'TX' is : %s" % city




ERROR :-
File "ex39.py", line 5
'New York' : 'NY',
^
SyntaxError: invalid syntax