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First solution in Clear category for The Angles of a Triangle by plutasnyy
from math import acos, degrees
def kat(a,b,c):
x=acos((b**2+c**2-a**2)/(2*b*c)) #przeksztalcone twierdzenie cos x=cos alfa
# https://www.matematyka.pl/125500.htm
x=degrees(x)
x=round(x)
return x
def checkio(a, b, c):
if a+b<=c or b+c <=a or c+a<=b:
return [0,0,0]
return sorted([kat(a,b,c), kat(b,c,a), kat(c,b,a)])
#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"
Oct. 22, 2016