f-string
Ned Batchelder
ned at nedbatchelder.com
Tue Dec 5 19:37:32 EST 2017
On 12/5/17 7:16 PM, Steve D'Aprano wrote:
> compile('f"{spam} {eggs}"', '', 'single')
$ python3.6
Python 3.6.3 (default, Oct 4 2017, 06:03:25)
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> compile('f"{spam} {eggs}"', '', 'single')
<code object <module> at 0x105e79660, file "", line 1>
>>> co = _
>>> spam = 17
>>> eggs = 34
>>> eval(co)
'17 34'
>>> dis.dis(co)
1 0 LOAD_NAME 0 (spam)
2 FORMAT_VALUE 0
4 LOAD_CONST 0 (' ')
6 LOAD_NAME 1 (eggs)
8 FORMAT_VALUE 0
10 BUILD_STRING 3
12 PRINT_EXPR
14 LOAD_CONST 1 (None)
16 RETURN_VALUE
--Ned.
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