vowel_count_vs_word_length.py

import matplotlib.pyplot as plt
import numpy as np
from nltk.corpus import inaugural

def count_vowels(word): 
    return len([c for c in word.lower() if c in 'aeiou'])

words = set(inaugural.words())
lengths = [len(w) for w in words]
vowel_count =  [count_vowels(w) for w in words]

plt.ylabel('number of vowels per word')
plt.xlabel('length of word')

plt.scatter(lengths, vowel_count)
plt.title('vowel count as a function of word length')
plt.show()