Python athuga hvort bréf hættir í band

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1
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python athuga hvort eðli er bréf

>>> 'A'.isalpha()
True
>>> '1'.isalpha()
False
0
0

python athuga hvort inntak inniheldur bréf

re.search('[a-zA-Z]', the_string)
0
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python athuga hvort string inniheldur tákn

any(not c.isalnum() for c in string)

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