on
Daily codewars
1. Find the odd int
Given an array of integers, find the one that appears an odd number of times.
There will always be only one integer that appears an odd number of times.def find_it(seq):
w = dict.fromkeys(seq, -1)
for i in seq:
w[i]*=-1
n = [key for key, switch in w.items() if switch > 0]
return n[0]
2. Vowel count
Return the number (count) of vowels in the given string.
We will consider a, e, i, o, u as vowels for this Kata (but not y).
The input string will only consist of lower case letters and/or spaces.def getCount(inputStr):
return sum(char in 'aeiou' for char in inputStr.lower())