The code that checks if a user input has a vowel can be done by looping the users input and check if the users input has a vowel in it.
x = input("kindly, input your string: ")
vowels = ['a', 'e', 'i', 'o', 'u']
length = 0
for i in x:
if i in vowels:
length += 1
if length >= 1:
print("Contains a lowercase vowel!")
else:
print("Doesn't contain a lowercase vowel!")
The code is written in python
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