import io SMALL_VEC_LEN = 3 MID_VEC_LEN = 1_000 LARGE_VEC_LEN = 1_000_000 TINY_DEF = """ yocto- = 1e-24 = y- zepto- = 1e-21 = z- atto- = 1e-18 = a- femto- = 1e-15 = f- pico- = 1e-12 = p- nano- = 1e-9 = n- micro- = 1e-6 = µ- = u- milli- = 1e-3 = m- centi- = 1e-2 = c- deci- = 1e-1 = d- deca- = 1e+1 = da- = deka- hecto- = 1e2 = h- kilo- = 1e3 = k- mega- = 1e6 = M- giga- = 1e9 = G- tera- = 1e12 = T- peta- = 1e15 = P- exa- = 1e18 = E- zetta- = 1e21 = Z- yotta- = 1e24 = Y- meter = [length] = m = metre second = [time] = s = sec angstrom = 1e-10 * meter = Å = ångström = Å minute = 60 * second = min """ def get_tiny_def(): return io.StringIO(TINY_DEF)