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102 lines
1.8 KiB
Markdown
102 lines
1.8 KiB
Markdown
---
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id: 69306364df283fcaff2e1ad8
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title: "Challenge 147: Leap Year Calculator"
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challengeType: 29
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dashedName: challenge-147
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---
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# --description--
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Given an integer year, determine whether it is a leap year.
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A year is a leap year if it satisfies the following rules:
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- The year is evenly divisible by 4, and
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- The year is not evenly divisible by 100, unless
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- The year is evenly divisible by 400.
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# --hints--
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`is_leap_year(2024)` should return `True`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_leap_year(2024), True)`)
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}})
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```
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`is_leap_year(2023)` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_leap_year(2023), False)`)
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}})
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```
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`is_leap_year(2100)` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_leap_year(2100), False)`)
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}})
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```
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`is_leap_year(2000)` should return `True`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_leap_year(2000), True)`)
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}})
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```
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`is_leap_year(1999)` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_leap_year(1999), False)`)
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}})
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```
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`is_leap_year(2040)` should return `True`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_leap_year(2040), True)`)
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}})
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```
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`is_leap_year(2026)` should return `False`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertIs(is_leap_year(2026), False)`)
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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 is_leap_year(year):
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return year
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```
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# --solutions--
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```py
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def is_leap_year(year):
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if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0):
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return True
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else:
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return False
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```
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