states = {
    'Imo': 'Owerri',
    'Lagos': 'Ikeja',
    'Oyo': 'Ibadan',
    'RIvers': 'Port Harcourt',
    'Taraba': 'Yalingo'
}

print(states['Imo'])

states ['Kaduna'] = 'Kaduna'
print(states)
print(len(states))

print(states.get('Lagos'))