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88 lines
1.7 KiB
Markdown
88 lines
1.7 KiB
Markdown
---
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id: 68ffb91507a5b645769328cc
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title: "Challenge 109: What's My Age Again?"
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challengeType: 29
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dashedName: challenge-109
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---
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# --description--
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Given the date of someone's birthday in the format `YYYY-MM-DD`, return the person's age as of November 27th, 2025.
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- Assume all birthdays are valid dates before November 27th, 2025.
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- Return the age as an integer.
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- Be sure to account for whether the person has already had their birthday in 2025.
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# --hints--
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`calculate_age("2000-11-20")` should return `25`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(calculate_age("2000-11-20"), 25)`)
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}})
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```
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`calculate_age("2000-12-01")` should return `24`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(calculate_age("2000-12-01"), 24)`)
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}})
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```
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`calculate_age("2014-10-25")` should return `11`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(calculate_age("2014-10-25"), 11)`)
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}})
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```
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`calculate_age("1994-01-06")` should return `31`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(calculate_age("1994-01-06"), 31)`)
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}})
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```
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`calculate_age("1994-12-14")` should return `30`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(calculate_age("1994-12-14"), 30)`)
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}})
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```
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# --seed--
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## --seed-contents--
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```py
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def calculate_age(birthday):
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return birthday
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```
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# --solutions--
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```py
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from datetime import datetime
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def calculate_age(birthday):
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today = datetime(2025, 11, 27)
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birth_date = datetime.strptime(birthday, "%Y-%m-%d")
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age = today.year - birth_date.year
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if (today.month, today.day) < (birth_date.month, birth_date.day):
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age -= 1
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return age
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```
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