Manejo de Errores y Excepciones

• Última modificación: Mayo 14, 2022

def sqrt(x):
    try:
        return x ** 0.5

    except:
        print("x must be a float or integer")


display(
    sqrt(1.0),
    sqrt(-1.0),
    sqrt("1"),
)

x must be a positive float or integer

1.0

(6.123233995736766e-17+1j)

None

def sqrt(x):
    try:
        return x ** 0.5

    except TypeError:
        print("x must be a float or integer")


display(
    sqrt(1.0),
    sqrt(-1.0),
    sqrt("1"),
)

x must be a float or integer

1.0

(6.123233995736766e-17+1j)

None

def sqrt(x):
    if x < 0:
        raise ValueError("x must be > 0")
    try:
        return x ** 0.5

    except TypeError:
        print("x must be a float or integer")


display(
    sqrt(1.0),
    sqrt(-1.0),
    sqrt("1"),
)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-3-f04da2c6748c> in <module>
     10 display(
     11     sqrt(1.0),
---> 12     sqrt(-1.0),
     13     sqrt("1")
     14 )

<ipython-input-3-f04da2c6748c> in sqrt(x)
      1 def sqrt(x):
      2     if x < 0:
----> 3         raise ValueError("x must be > 0")
      4     try:
      5         return x ** 0.5

ValueError: x must be > 0