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First solution in Clear category for The Angles of a Triangle by Oleg_Levonjuk
from typing import List
from math import acos, pi
def checkio(a: int, b: int, c: int) -> List[int]:
try:
A = round(acos((b**2 + c**2 - a**2)/(2*b*c))*180/pi)
B = round(acos((c**2 + a**2 - b**2)/(2*c*a))*180/pi)
C = round(acos((a**2 + b**2 - c**2)/(2*a*b))*180/pi)
except:
return [0, 0, 0]
if 180 in (A, B, C):
return [0, 0, 0]
return sorted([A, B, C])
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
print("Example:")
print(checkio(4, 4, 4))
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"
assert checkio(10, 20, 30) == [0, 0, 0], "Additional 1"
print("Coding complete? Click 'Check' to earn cool rewards!")
May 12, 2020
