Input a string having some digits. Write a function to return the sum of digits present in this string.

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Input a string having some digits. Write a function to return the sum of digits present in this string.

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Here is a Python function to sum the digits present in a given string:

def sum_of_digits(s):
    total = 0
    for char in s:
        if char.isdigit():
            total += int(char)
    return total

# Example usage
s = input("Enter a string: ")
result = sum_of_digits(s)
print("The sum of digits in the string is:", result)

This function works as follows:

  1. Initialize a total sum to 0.

  2. Iterate through each character in the string.

  3. Check if the character is a digit using the isdigit() method.

  4. If it is a digit, convert it to an integer and add it to the total sum.

  5. Finally, return the total sum.

Example:

  • Input: Hello123

  • Output: 6 (since 1 + 2 + 3 = 6)

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