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First solution in Clear category for The Angles of a Triangle by DominikKossinski
import math
def checkio(a, b, c):
if((a+b)<=c or (b+c)<=a or (c+a)<=b):
return [0, 0, 0]
else:
x=int(round(math.degrees(math.acos((a*a+b*b-c*c)/(2*a*b)))))
y=int(round(math.degrees(math.acos((a*a+c*c-b*b)/(2*a*c)))))
z=180-(x+y)
tab=[x,y,z]
tab.sort()
return tab
#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