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1.4 KiB
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id, title, challengeType, dashedName
| id | title | challengeType | dashedName |
|---|---|---|---|
| 698a1a73ade5ac0e19180fa6 | Challenge 203: Flattened | 29 | challenge-203 |
--description--
Given an array, determine if it is flat.
- An array is flat if none of its elements are arrays.
--hints--
is_flat([1, 2, 3, 4]) should return True.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertIs(is_flat([1, 2, 3, 4]), True)`)
}})
is_flat([1, [2, 3], 4]) should return False.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertIs(is_flat([1, [2, 3], 4]), False)`)
}})
is_flat([1, 0, False, True, "a", "b"]) should return True.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertIs(is_flat([1, 0, False, True, "a", "b"]), True)`)
}})
is_flat(["a", [0], "b", True]) should return False.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertIs(is_flat(["a", [0], "b", True]), False)`)
}})
is_flat([1, [2, [3, [4, [5]]]], 6]) should return False.
({test: () => { runPython(`
from unittest import TestCase
TestCase().assertIs(is_flat([1, [2, [3, [4, [5]]]], 6]), False)`)
}})
--seed--
--seed-contents--
def is_flat(arr):
return arr
--solutions--
def is_flat(arr):
for el in arr:
if isinstance(el, list):
return False
return True