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First solution in Clear category for The Angles of a Triangle by Oleg_Domokeev
from typing import List
from math import acos, degrees
def checkio(a: int, b: int, c: int) -> List[int]:
if 2 * max(a, b, c) >= a + b + c:
return [0, 0, 0]
alpha = round(degrees(acos((b ** 2 + c ** 2 - a ** 2) / 2 / b / c)))
betha = round(degrees(acos((a ** 2 + c ** 2 - b ** 2) / 2 / a / c)))
gamma = 180 - alpha - betha
return sorted([alpha, betha, gamma])
#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!")
July 5, 2018