[Python] making pure string from a sentence [closed]

I want get a sentence from user and then convert to pure string. delete all spaces, signs and number. I want to count the vowel alphabets and consonants alphabets. actually i want censor the numbers and spaces and signs to have just alphabet then count how many of alphabets are vowel(how many are in the vowel list)

import re
sentence = input("Enter your sentence : ")
def vowel_checer(sentece):
vowels_list = ["a","e","o","y","u","i"]
char_list = [",",".","(",")","!","?"]
num_list = ["0","1","2","3","4","5","6","7","8","9"]
sentece = sentece.replace(" ","")
sentece = re.sub(char_list,"",sentece)
sentece = re.sub(num_list,"",sentece)
vowel_count = 0
consonants_count = 0
if sentece.isalpha():
for char in sentece:

if char in vowels_list:
vowel_count += 1
else:
consonants_count = len(sentece) - vowel_count
return vowel_count , consonants_count
resoult = vowel_checer(sentence)
print(resoult)

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