len()+list comprehension+.isdigit()=OneLineCode solution in Uncategorized category for Count Digits by alterGNU
def count_digits(text: str) -> int:
return len([ x for x in text if x.isdigit()])
if __name__ == '__main__':
# These "asserts" are used for self-checking and not for an auto-testing
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
print("Coding complete? Click 'Check' to earn cool rewards!")
May 13, 2021