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CodingBat code practice



countFs(phrase) -- Given a string phrase, return the total number of "f" and "F" in the phrase. (People generally get some of these wrong because not everything that is an "f" sounds like one out loud, but computers are great at this.)

countFs('Finished files are the result of years of scientific study combined with the experience of years.') → 6
countFs('Python is fun.') → 1
countFs('Python is cool.') → 0

...Save, Compile, Run (ctrl-enter)

def countFs(phrase):

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