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id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 69272dcf1c24b44fd79137c5 | Challenge 142: Sum the String | 29 | challenge-142 |
--description--
Given a string containing digits and other characters, return the sum of all numbers in the string.
- Treat consecutive digits as a single number. For example,
"13"counts as 13, not 1 + 3. - Ignore any non-digit characters.
--hints--
string_sum("3apples2bananas") should return 5.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(string_sum("3apples2bananas"), 5)`)
}})
string_sum("10cats5dogs2birds") should return 17.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(string_sum("10cats5dogs2birds"), 17)`)
}})
string_sum("125344") should return 125344.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(string_sum("125344"), 125344)`)
}})
string_sum("a1b20c300") should return 321.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(string_sum("a1b20c300"), 321)`)
}})
string_sum("a12b34c56d78e90f123g456h789i0j1k2l3m4n5") should return 1653.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(string_sum("a12b34c56d78e90f123g456h789i0j1k2l3m4n5"), 1653)`)
}})
--seed--
--seed-contents--
def string_sum(s):
return s
--solutions--
import re
def string_sum(s):
numbers = re.findall(r'\d+', s)
return sum(int(num) for num in numbers)