如何求结果的和列表.计数()

Question

我试图总结一个字符串中元音的数量。如何计算计数结果的总和？你知道吗

def count_vowels(string):
    vowel = 'aeiou'
    for i in list(vowel):
        if i in list(string):
                print(string.count(i))

count_vowels('abcod') # 2
count_vowels('coliioor') # 5
count_vowels('colour') #3

电流输出：

1 first word
1 first word
2 second word
3 second word
2 third word
1 third word

Answer 1

您可以使用sum()函数：

def count_vowels(s):
    return sum(ch in 'aeiou' for ch in s)

print(count_vowels('abcod')) # 2
print(count_vowels('coliioor')) # 5
print(count_vowels('colour')) #3

印刷品：

2
5
3