(d)
return d*pi/180
Return the radian value for the given degrees (pi = 180 degrees).
Return the radian value for the given degrees (pi = 180 degrees).
Return the radian value for the given degrees ( pi = 180 degrees ) .
def rad(d):
    """Return the radian value for the given degrees (pi = 180 degrees)."""
    return d*pi/180
def rad ( d ) : return d * pi / 180