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math solution in Clear category for The Angles of a Triangle by kdim
from typing import List
from math import acos, degrees
def checkio(a: int, b: int, c: int) -> List[int]:
try:
angle = lambda x, y, z: round(degrees(acos((x * x + y * y - z * z) / 2 / x / y))) % 180
return sorted([angle(a, b, c), angle(a, c, b), angle(b, c, a)])
except:
return [0, 0, 0]
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
print("Example:")
print(checkio(4, 4, 4))
assert checkio(4, 4, 4) == [60, 60, 60], "All sides are equal"
assert checkio(3, 4, 5) == [37, 53, 90], "Egyptian triangle"
assert checkio(2, 2, 5) == [0, 0, 0], "It's can not be a triangle"
print("Coding complete? Click 'Check' to earn cool rewards!")
Nov. 13, 2021
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