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native_count_digits solution in Clear category for Count Digits by Jon_Red
def count_digits(text:str)->int:return len([x for x in text if x.isdigit()])
if __name__=='__main__':
# self-checks
assert count_digits('hi')==0
assert count_digits('who is 1st here')==1
assert count_digits('my numbers is 2')==1
assert count_digits(
'This picture is an oil on canvas '
'painting by Danish artist Anna '
'Petersen between 1845 and 1910 year'
)==8
assert count_digits('5 plus 6 is')==2
assert count_digits('')==0
July 17, 2020
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