#### Find the Longest Word in a List

This program finds the longest word in a list of words.

#### Problem

```Given a list of words, write a Python program to find the longest word in the list.
Example input:
words = ['cat', 'dogs', 'elephant']
Example output:
elephant```

#### Solution

This solution is in Python. Our A.I. can create solutions in multiple languages.
```# Solution:
# The solution below is optimal because it uses the built-in function max() to find the longest word in the list.
# The function max() takes an iterable and a key function as arguments.
# The key function is used to determine the longest word in the list.
# The key function is a lambda function that returns the length of each word in the list.
# The max() function returns the longest word in the list.

words = ['cat', 'dogs', 'elephant']

longest_word = max(words, key=lambda word: len(word))

print(longest_word)```

A.I. Evaluation of the Solution

The candidate's solution is correct and uses an optimal approach. The candidate correctly uses the built-in function max() to find the longest word in the list. The candidate also correctly uses a lambda function as the key function to determine the longest word in the list.

Evaluated at: 2022-11-21 04:16:27