52. longestWord

Task

Define a word as a sequence of consecutive English letters. Find the longest word from the given string.

Example

For text = "Ready, steady, go!", the output should be
longestWord(text) = "steady".

Input/Output

• [execution time limit]
  4 seconds (py3)

• [input] string text
  Guaranteed constraints: 4 ≤ text.length ≤ 50.

• [output] string
  The longest word from text. It’s guaranteed that there is a unique output.

My Solution

import re

def longestWord(text):
    wordList = re.findall('[a-zA-Z]+', text)
    lengthList = [len(word) for word in wordList]
    ix_longest = lengthList.index(max(lengthList))
    return wordList[ix_longest]