Add comments to the following codedef overlaps1 s2 s1 = replaces1 s2 = replaces2 s1 = sets1split s2 = sets2split intersec = s1 & s2 return leninterseclens1
This function takes in two string arguments s1 and s2
It replaces any non-letter or non-number characters in s1 and s2 with a space character
It then splits s1 and s2 into sets of words
It finds the intersection of the two sets and finds the length of the intersection
It returns the ratio of the length of the intersection to the length of the set s1
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