[英]Spaces in Python coding style
Python tutorial says "Use spaces around operators and after commas, but not directly inside bracketing constructs: a = f(1, 2) + g(3, 4)." Python教程说:“在运算符周围和逗号后使用空格,但不能直接在括号结构中使用:a = f(1,2)+ g(3,4)”。 What does "not directly inside bracketing constructs" exactly mean?
“不直接在包围结构内”是什么意思?
That probably comes from PEP 8 -- Style Guide for Python Code . 这可能来自PEP 8-Python代码样式指南 。 Specifically, see the section on "Whitespace in Expressions and Statements."
具体来说,请参见“表达式和语句中的空白”部分。
From that section: 从该部分:
Avoid extraneous whitespace in the following situations:
- Immediately inside parentheses, brackets or braces.
Yes: spam(ham[1], {eggs: 2})
No: spam( ham[ 1 ], { eggs: 2 } )
这意味着你不应该做a = f ( 1 )
或l = [ 2, 3 ]
类a = f ( 1 )
事情。
I think it means do this: 我认为这意味着这样做:
x = (1, 2)
not this: 不是这个:
x = ( 1, 2 )
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