大约有 11,000 项符合查询结果（耗时：0.0377秒） [XML]
How can I print literal curly-brace characters in python string and also use .format on it?
...gt; print(x.format(42))
' { Hello } 42 '
Here's the relevant part of the Python documentation for format string syntax:
Format strings contain “replacement fields” surrounded by curly braces {}. Anything that is not contained in braces is considered literal text, which is copied unchanged ...
Empty set literal?
...
There are set literals, but only in Python 3.x. There isn't a literal for empty sets either way.
– user395760
May 25 '11 at 20:27
2
...
Pythonic way to create a long multi-line string
I have a very long query. I would like to split it in several lines in Python. A way to do it in JavaScript would be using several sentences and joining them with a + operator (I know, maybe it's not the most efficient way to do it, but I'm not really concerned about performance in this stage, jus...
How to get line count of a large file cheaply in Python?
...ed to get a line count of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise?
...
Python date string to date object
How do I convert a string to a date object in python?
7 Answers
7
...
What is the python “with” statement designed for?
I came across the Python with statement for the first time today. I've been using Python lightly for several months and didn't even know of its existence! Given its somewhat obscure status, I thought it would be worth asking:
...
Character reading from file in Python
...
Ref: http://docs.python.org/howto/unicode
Reading Unicode from a file is therefore simple:
import codecs
with codecs.open('unicode.rst', encoding='utf-8') as f:
for line in f:
print repr(line)
It's also possible to open files ...
Python “extend” for a dictionary
...
a.update(b)
Latest Python Standard Library Documentation
share
|
improve this answer
|
follow
|
...
how to “reimport” module to python then code be changed after import
...
For Python 2.x
reload(foo)
For Python 3.x
import importlib
import foo #import the module here, so that it can be reloaded.
importlib.reload(foo)
sh...
Best way to format integer as string with leading zeros? [duplicate]
...ts ($cnt).
What the best way to translate this simple function from PHP to Python:
10 Answers
...