Ejemplo: convertir negativo a positivo en python
>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) # for any n
42
>>> abs(-5.05)
5.05¡Haz clic para puntuar esta entrada!
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>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) # for any n
42
>>> abs(-5.05)
5.05