python中format_map函数如何使用？

Question

python字符串中format_map 函数如何使用？
Help on built-in function format_map:

format_map(...) method of builtins.str instance
S.format_map(mapping) -> str

Return a formatted version of S, using substitutions from mapping.
The substitutions are identified by braces ('{' and '}').

Answer 1

https://blog.csdn.net/yucan1001/article/details/8474633