state_codes =[
    'al', # Alabama
    'ak', # Alaska
    'az', # Arizona
    'ar', # Arkansas
    'ca', # California
    'co', # Colorado
    'ct', # Conneticut
    'de', # Delaware
    'dc', # District of Columbia
    'fl', # Florida
    'ga', # Georgia
    'hi', # Hawaii
    'id', # Idaho
    'il', # Illinois
    'in', # Indiana
    'ia', # Iowa
    'ks', # Kansas
    'ky', # Kentucky
    'la', # Louisiana
    'me', # Maine
    'md', # Maryland
    'ma', # Massachusetts
    'mi', # Michigan
    'mn', # Minnesota
    'ms', # Mississippi
    'mo', # Missouri
    'mt', # Montana
    'ne', # Nebraska
    'nv', # Nevada
    'nh', # New Hampshire
    'nj', # New Jersey
    'nm', # New Mexico
    'ny', # New York
    'nc', # North Carolina
    'nd', # North Dakota
    'oh', # Ohio
    'ok', # Oklahoma
    'or', # Oregon
    'pa', # Pennsylvania
    'ri', # Rhode Island
    'sc', # South Carolina
    'sd', # South Dakota
    'tn', # Tennessee
    'tx', # Texas
    'ut', # Utah
    'vt', # Vermont
    'va', # Virginia
    'wa', # Washington
    'wv', # West Virginia
    'wi', # Wisconsin
    'wy', # Wyoming
]
