Digit_sum


#1

for the digit_sum section. why did we have to turn it into a string first? I see it says that in the hint but why?


#2

You don't have to, that's just one way of going about it. If you read the rest of the hint, it explains why it would be helpful to do so.


#3

ok, is it isolating all of the digits by turing it into a string? so when the numbers were int, they were combined as one number?


#4

An int has no concept of digits, a string is a sequence of characters. Each digit takes up one character. Strings support iterating over characters and and therefore digits if the text is a number


#5

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