I thought it is reasonable. IIRC, my MacOS 10.14.5 has python 2.7.10 built-in (I've install home-brew on it, but I guess it is the Apple built-in version), it i

I thought it is reasonable. IIRC, my MacOS 10.14.5 has python 2.7.10 built-in (I've install home-brew on it, but I guess it is the Apple built-in version), it is too old (Release Date: May 23, 2015).