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First solution in Clear category for The Angles of a Triangle by Bartosz_M
import math
def checkio(a, b, c):
wynik = []
if a+b <= c or a+c <= b or b+c <= a:
return [0, 0, 0]
elif a == b == c:
return[60, 60, 60]
else:
cos1 = (-(c**2) + a**2 + b**2) / (2*a*b)
cos2 = (-(b**2) + a**2 + c**2) / (2*a*c)
cos3 = (-(a**2) + b**2 + c**2) / (2*b*c)
cos = [cos1, cos2, cos3]
for i in cos:
wynik.append(round(math.degrees(math.acos(i)), 0))
return sorted(wynik)
#replace this for solution
#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. 13, 2016
