编一个python将用户输入的字符串中元音字母小写全部换成大写 其它保持不变

Question

编一个python将用户输入的字符串中元音字母小写全部换成大写 其它保持不变

Answer 1

a = input()
for i in range(len(a)):
    if a[i] == "a" or a[i] == "e" or a[i] == "i" or a[i] == "o" or a[i] == "u":
        a = a[0:i]+a[i].upper()+a[i+1:]
print(a)