def repeat(s, exclaim):
"""Returns the string s repeated 3 times.
If exclaim is true, add exclamation marks.
"""
result = s + s + s # can also use "s * 3" which is faster (Why?)
if exclaim:
result = result + '!!!'
return result
def main():
print repeat ('Yay', False) ## YayYayYay
print repeat ('Woo Hoo', True) ## Woo HooWoo HooWoo Hoo!!!
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