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First solution in Uncategorized category for The Angles of a Triangle by AlexeyIvchenko
from math import acos, pi
def checkio(a, b, c):
sides = ((a, b, c), (b, c, a), (c, a, b))
if not all([a + b > c for a, b, c in sides]):
return [0, 0, 0]
angle = lambda t: round(
(180 / pi) * acos((t[1]**2 + t[2]**2 - t[0]**2) / (2 * t[1] * t[2])))
return sorted(map(angle, sides))
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
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"
Jan. 7, 2014
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