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First solution in Clear category for The Angles of a Triangle by Vasily__Chibilyaev
from math import acos, pi
def checkio(a, b, c):
angles = [0, 0, 0]
f = lambda x, y, z: round(acos((x**2+y**2-z**2)/(2*x*y))*180/pi)
if all([a+b>c, a+c>b, b+c>a]):
angles = sorted([f(a, b, c), f(a, c, b), f(b, c, a)])
return angles
#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"
April 12, 2018
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