NUMBER_F = {
1: "une",
11: "onze",
21: "vingt-et-une",
31: "trente-et-une",
41: "quarante-et-une",
51: "cinquante-et-une"
}
def int_to_str(number, genre = 'm'):
if (number - 1) % 10 == 0 and number < 60 and genre == 'f':
return NUMBER_F[number]
else:
return str(number)