Sum of all odd integers in an array

Problem

Given an array of integers, return the sum of all the odd integers in the array.
Example input: [1, 2, 3, 4, 5]
Example output: 9

Solution

This solution is in Python. Our A.I. can create solutions in multiple languages.

kayakane

def sum_odd(arr):
    return sum(x for x in arr if x % 2 != 0)

# This solution is optimal because it uses a generator expression to filter out the even numbers and then sums the odd numbers.
# This is optimal because it is a one-liner and it is also very readable.