Recursion for Coding Interviews in Python/

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Solution Review: Sum of Digits in a String

Solution Review: Sum of Digits in a String

This review provides a detailed analysis of the solution to find the sum of digits in a string

We'll cover the following...

Solution: Using Recursion

Python 3.5
def sumDigits(testVariable):
  # Base Case
  if testVariable == "":
    return 0
  # Recursive Case 
  else:
    return int(testVariable[0]) + sumDigits(testVariable[1:])
# Driver Code
print(sumDigits("345"))

Explanation

The solution to this problem is similar to the solution of finding the length of a string.

For this problem, we remove ...