Postal
Sri Lankan postal codes are five digits, with each code mapping to a specific post office, district, and province.
Coming soon
Postal-code validation is planned. Until then, validate_postal
raises NotImplementedError.
Planned API
from helakit import validate_postal, is_valid_postal
result = validate_postal("10100")
result.data # {"district": "Colombo", "province": "Western", ...}
is_valid_postal("10100") # True