python:实现字符串元音的数量
vowels = 'aeiou'
ip_str = 'Hello, have you tried our tutorial section yet?'
ip_str = ip_str.casefold()
# make a dictionary with each vowel a key and value 0
count = {
}.fromkeys(vowels
vowels = 'aeiou'
ip_str = 'Hello, have you tried our tutorial section yet?'
ip_str = ip_str.casefold()
# make a dictionary with each vowel a key and value 0
count = {
}.fromkeys(vowels