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id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 698a1a73ade5ac0e19180fa1 | Challenge 198: Business Day Count | 29 | challenge-198 |
--description--
Given a start date and an end date, return the number of business days between the two.
- Given dates are in the format
"YYYY-MM-DD". - Weekdays are business days (Monday through Friday).
- Weekends are not business days (Saturday and Sunday).
- Include both the start and end dates when counting.
--hints--
count_business_days("2026-02-24", "2026-02-26") should return 3.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(count_business_days("2026-02-24", "2026-02-26"), 3)`)
}})
count_business_days("2026-02-24", "2026-02-28") should return 4.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(count_business_days("2026-02-24", "2026-02-28"), 4)`)
}})
count_business_days("2026-02-21", "2026-03-01") should return 5.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(count_business_days("2026-02-21", "2026-03-01"), 5)`)
}})
count_business_days("2026-03-08", "2026-03-17") should return 7.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(count_business_days("2026-03-08", "2026-03-17"), 7)`)
}})
count_business_days("2026-02-24", "2027-02-24") should return 262.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(count_business_days("2026-02-24", "2027-02-24"), 262)`)
}})
--seed--
--seed-contents--
def count_business_days(start, end):
return start
--solutions--
from datetime import datetime, timedelta
def count_business_days(start, end):
start_date = datetime.strptime(start, "%Y-%m-%d")
end_date = datetime.strptime(end, "%Y-%m-%d")
count = 0
current = start_date
while current <= end_date:
if current.weekday() < 5:
count += 1
current += timedelta(days=1)
return count