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First solution in Clear category for The Angles of a Triangle by Chocolater
from math import acos, degrees
angle = lambda x, y, z: round(degrees(acos((z * z + y * y - x * x)/(float(2 * z * y)))))
def checkio(a, b, c):
if a + b > c and a + c > b and b + c > a:
return sorted([angle(a, b, c), angle(b, c, a), angle(c, a, b)])
else:
return [ 0, 0, 0]
#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"
Nov. 3, 2016