There is a better way — a free Python book on ECS + EBP

[tjreedy (Terry Jan Reedy)]

@root-11

small-int cache

Increased upper limit

m1 = 1024
m2  = 1024
m1 is m2
False  

True in released 3.15.0b1 and 3.16.0a0 compiled a week ago. (On Windows, but should not matter). I saw the discussion of what the new upper limit should be. Higher was considered and rejected.