#Given the dictionary swimmers, add an additional key-value pair to the dictionary with "Phelps" as the key and the integer 23 as the value. Do not rewrite the entire dictionary.

swimmers = {'Manuel':4, 'Lochte':12, 'Adrian':7, 'Ledecky':5, 'Dirado':4}
swimmers['Phelps']=23
print(swimmers)
