Python strings are immutable, but only sometimes

Python strings are immutable, but only sometimes 2/15/2021 Update 2/16/2021: See the discussion of this post on Hacker News. The standard wisdom is that Python strings are immutable. You can't change a string's value, only the reference to the string. Like so: x = "hello" x = "goodbye" # New string! Which implies that each time you make a change to a string variable, you are actually producing a b

[misshiki]

Python（CPython）の文字列は、実際にはたまにしかimmutableになっていない。メモリ削減目的で。インターネットやチュートリアルが言うように、毎回新しい文字列を割り当てているわけではないと。