Question

How to count the digits in a string in Python

Answer 1

def count_digits(s):
    digits = 0

    for ch in s:
        if ch.isdigit():
            digits += 1

    return digits


s = "abc 3 def59g hi 0 jkl 444"
print("digits = ", count_digits(s))

'''
run:

digits =  7

'''

 

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Answer 2

def count_digits(s):
    digits = 0

    for i in range(0, len(s)):
        if s[i].isdigit():
            digits += 1

    return digits


s = "abc 3 def59g hi 0 jkl 444"
print("digits = ", count_digits(s))

'''
run:

digits =  7

'''

 

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