(sides_lst)
| 37 | return "acute" |
| 38 | |
| 39 | def area_triangle(sides_lst): |
| 40 | x, y, z = sorted_sides(sides_lst) |
| 41 | s = (x + y + z)/2 |
| 42 | a = math.sqrt(s*(s-x)*(s-y)*(s-z)) |
| 43 | return round(a, 3) |
| 44 | |
| 45 | if __name__ == "__main__": |
| 46 | triangle_sides = input("please input three sides of triangle, and split them by space:") |