On 1st point, yes, you need Python 2 for Ansible (and Fabric) but it lives nicely side by side with Python 3, so your apps–the not-legacy ones at least–can use

On 1st point, yes, you need Python 2 for Ansible (and Fabric) but it lives nicely side by side with Python 3, so your apps–the not-legacy ones at least–can use Python 3 no problem. I think about Python 2 as Ansible's dependency, not something I have to use because it's there.