CodeRankGPT -
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This Python program uses the numpy library to perform operations on arrays. It first takes two inputs, n and m, which represent the dimensions of the array. The program then takes n lines of input, each containing m integers, and stores them in a 2D array. It then calculates the sum of the elements along the 0th axis (i.e., column-wise) and finally calculates the product of these sums.
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The solution works by first converting the input list into a numpy array. Numpy arrays are more efficient and provide more functionality for numerical operations than regular Python lists. The numpy.sum function is then used to calculate the sum of elements along the 0th axis (column-wise). The result is another numpy array containing the sums. The numpy.prod function is then used to calculate the product of these sums. The result is printed to the console.
import numpy
n, m = map(int, input().split())
ar = []
for _ in range(n):
tmp = list(map(int, input().split()))
ar.append(tmp)
np_ar = numpy.array(ar)
s = numpy.sum(np_ar, axis=0)
print(numpy.prod(s))
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