Files

15 lines
396 B
Python

def count_upper(s):
"""
Given a string s, count the number of uppercase vowels in even indices.
For example:
count_upper('aBCdEf') returns 1
count_upper('abcdefg') returns 0
count_upper('dBBE') returns 0
"""
uppercase_vowels = 'AEIOU'
count = 0
for i in range(0, len(s), 2):
if s[i] in uppercase_vowels:
count += 1
return count