Create a function that takes an angle in radians and converts it into degrees.
to_degree(math.pi) ➞ 180
to_degree(math.pi/2) ➞ 90
to_degree(math.pi/4) ➞ 45
The input angles are in radians.
There are 360 degrees and 2 pi radians in a circle. So to convert degrees to radians, divide by 360 and multiply by 2 * pi (approx. 6.28). Or equivalently, divide by 180 and multiply by pi.