# This cell should run successfully if you have a string set up to represent your census key

try:
    import settings
    assert type(settings.CENSUS_KEY) == str or type(settings.CENSUS_KEY) == unicode
except Exception as e:
    print "error in importing settings to get at settings.CENSUS_KEY", e

# let's figure out a bit about the us module, in particular, us.states
# https://github.com/unitedstates/python-us

from us import states
assert states.CA.fips == u'06'

# set up your census object
# example from https://github.com/sunlightlabs/census

from census import Census
from us import states

c = Census(settings.CENSUS_KEY)

for (i, state) in enumerate(states.STATES):
    print i, state.name, state.fips

import requests

# get the total population of all states
url = "http://api.census.gov/data/2010/sf1?key={key}&get=P0010001,NAME&for=state:*".format(key=settings.CENSUS_KEY)

r = requests.get(url)

# FILL IN WITH YOUR CODE




c.sf1.get(('NAME', 'P0010001'), {'for': 'state:%s' % states.CA.fips})

"population of California: {0}".format(
        int(c.sf1.get(('NAME', 'P0010001'), {'for': 'state:%s' % states.CA.fips})[0]['P0010001']))