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s1="aabcd"s2="bcdaa"result=s1+s1 ="aabcdaabcd"result.contains(s2)if return true, its a rotation else not
s1="aabcd"
ReplyDeletes2="bcdaa"
result=s1+s1 ="aabcdaabcd"
result.contains(s2)
if return true, its a rotation
else not