CodeRankGPT -
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The problem at hand involves taking two arrays as input and calculating their cartesian product. The cartesian product of two sets is a set of all ordered pairs where the first element is from the first set and the second element is from the second set. This is a common operation in many areas of computer science and mathematics.
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The solution uses Python's built-in itertools.product() function to calculate the cartesian product of the two input arrays. This function returns an iterator that produces tuples, where the i-th tuple contains the i-th element from each of the argument sequences or iterables. The resulting tuples are emitted in lexicographic order. The script then iterates over the resulting list of tuples and prints each tuple, separated by a space.
import itertools
ar1 = list(map(int, input().split()))
ar2 = list(map(int, input().split()))
cross = list(itertools.product(ar1, ar2))
for i in cross:
print(i, end=" ")
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