Question: what are the different generations of macbooks?
Answer: 2020. MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports) ... 
2019. MacBook Pro (16-inch, 2019) ... 
2018. MacBook Pro (15-inch, 2018) ... 
2017. MacBook Pro (15-inch, 2017) ... 
2016. MacBook Pro (15-inch, 2016) ... 
2015. MacBook Pro (Retina, 15-inch, Mid 2015) ... 
2014. MacBook Pro (Retina, 15-inch, Mid 2014) ... 
2013.