Finding specific characters within a string
<p>I'm attempting to find all vowels within a string to replace them.</p>

<p>Here is what I've been working with:</p>

<pre><code>word = "abcde"
vowels = "aeiou"
v = list(vowels)
hey = False
for i in range(len(word)):
    if word[i] == v:
        hey = True
print hey
</code></pre>

<p>I was trying to replace all those positions with strings with the symbol "$", but I can't figure out how I can do this linear search properly.</p>
