Is It a Triangle?

Create a function that takes three numbers as arguments and returns True if it's a triangle and False if not.

Examples

is_triangle(2, 3, 4) ➞ True

is_triangle(3, 4, 5) ➞ True

is_triangle(4, 3, 8) ➞ False

Notes

• a, b and, c are the side lengths of the triangles.
• Test input will always be three positive numbers.