Given the string line, create a set of all the vowels in line. Assign the set to the variable vowels.
Solution 1
vowels = set()
for c in line :
[Tab Key]if "aeiou".find(c) >= 0 :
[Tab Key][Tab Key]vowels.add(c)
Solution 2
vowels = set(c for c in line if "aeiou".find(c) >= 0)