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    FOR PYTHON 3

    def plusMinus(arr): pcount = 0 ncount = 0 zcount = 0 for i in range(n): if arr[i] > 0: pcount = pcount+1 elif arr[i] < 0: ncount = ncount+1 elif arr[i] == 0: zcount = zcount+1 print(f"{pcount/n:.6f}") print(f"{ncount/n:.6f}")

    print(f"{zcount/n:.6f}")