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create sum_of_digits.py (#2065)

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* create sum_of_digits.py

create sum_of_digits.py to find the sum of digits of a number
digit_sum(12345) ---> 15
digit_sum(12345) ---> 10

* Update sum_of_digits.py

* Update maths/sum_of_digits.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update maths/sum_of_digits.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* Update sum_of_digits.py

Co-authored-by: Christian Clauss <cclauss@me.com>
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Vignesh 2020-06-03 03:08:32 +05:30 committed by GitHub
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commit 0904610a76
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def sum_of_digits(n: int) -> int:
"""
Find the sum of digits of a number.
>>> sum_of_digits(12345)
15
>>> sum_of_digits(123)
6
"""
res = 0
while n > 0:
res += n % 10
n = n // 10
return res
if __name__ == "__main__":
print(sum_of_digits(12345)) # ===> 15