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1.4 KiB
1.4 KiB
id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 68b7687dded630607aceccad | Challenge 46: 2nd Largest | 29 | challenge-46 |
--description--
Given an array, return the second largest distinct number.
--hints--
second_largest([1, 2, 3, 4]) should return 3.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(second_largest([1, 2, 3, 4]), 3)`)
}})
second_largest([20, 139, 94, 67, 31]) should return 94.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(second_largest([20, 139, 94, 67, 31]), 94)`)
}})
second_largest([2, 3, 4, 6, 6]) should return 4.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(second_largest([2, 3, 4, 6, 6]), 4)`)
}})
second_largest([10, -17, 55.5, 44, 91, 0]) should return 55.5.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(second_largest([10, -17, 55.5, 44, 91, 0]), 55.5)`)
}})
second_largest([1, 0, -1, 0, 1, 0, -1, 1, 0]) should return 0.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(second_largest([1, 0, -1, 0, 1, 0, -1, 1, 0]), 0)`)
}})
--seed--
--seed-contents--
def second_largest(arr):
return arr
--solutions--
def second_largest(arr):
unique = list(set(arr))
unique.sort(reverse=True)
return unique[1]