sampledicts.py

# SAMPLE CODE TO UNDERSTAND THE CONCEPT OF DICTIONARIES IN PYTHON

cities = {'CA': 'San Francisco', 'MI': 'Detroit','FL': 'Jacksonville'}
cities['NY'] = 'New York'
cities['OR'] = 'Portland'
def find_city(themap, state):
  if state in themap:
    return themap[state]
  else:
    return "Not found."
# ok pay attention!

cities['_find'] = find_city

while True:
  print "State? (ENTER to quit)",
  state = raw_input("> ")
  if not state: break

# this line is the most important ever! study!
  
  city_found = cities['_find'](cities, state)
  print city_found