Преобразование текста в другой падеж/число

Юзай pymorphy3

import pymorphy3

morph = pymorphy3.MorphAnalyzer()

def decline_word(word, plural=False):
parsed_word = morph.parse(word)[0]

number = {'plur'} if plural else {'sing'}

cases = {
'именительный': {'nomn'},
'родительный': {'gent'},
'дательный': {'datv'},
'винительный': {'accs'},
'творительный': {'ablt'},
'предложный': {'loct'}
}

result = {}
for case_name, case_value in cases.items():
params = case_value | number
declined = parsed_word.inflect(params)
result[case_name] = declined.word if declined else word

return result

word = "киана"
print("Единственное число:")
single = decline_word(word)
for case, form in single.items():
print(f"{case}: {form}")

print("\nМножественное число:")
plural = decline_word(word, plural=True)
for case, form in plural.items():
print(f"{case}: {form}")

Python

import pymorphy3



morph = pymorphy3.MorphAnalyzer()



def decline_word(word, plural=False):

    parsed_word = morph.parse(word)[0]

    

    number = {'plur'} if plural else {'sing'}

    

    cases = {

        'именительный': {'nomn'},

        'родительный': {'gent'},

        'дательный': {'datv'},

        'винительный': {'accs'},

        'творительный': {'ablt'},

        'предложный': {'loct'}

    }

    

    result = {}

    for case_name, case_value in cases.items():

        params = case_value | number

        declined = parsed_word.inflect(params)

        result[case_name] = declined.word if declined else word

    

    return result



word = "киана"

print("Единственное число:")

single = decline_word(word)

for case, form in single.items():

    print(f"{case}: {form}")



print("\nМножественное число:")

plural = decline_word(word, plural=True)

for case, form in plural.items():

    print(f"{case}: {form}")