DUMP THE CODE IN .PY THEN REMOVE THE CONTRAINS ON THE TABLES THROUGH SQL THEN

LIMIT THE VALUES OF EACH QUESTION BY APPLYING THE REVERSE CODE OF R IN THE B-I-N ANALYSIS

Q. Suppose you are given a table of currency exchange rates, represented as a 2D array. Determine whether there is a possible arbitrage: that is, whether there is some sequence of trades you can make, starting with some amount A of any currency, so that you can end up with some amount greater than A of that currency.

There are no transaction costs and you can trade fractional quantities.

Question 39

Given an array of integers where every integer occurs three times except for one integer, which only occurs once, find and return the non-duplicated integer.