大约有 11,000 项符合查询结果(耗时:0.0186秒) [XML]
Can a variable number of arguments be passed to a function?
...nyArgs(1, 2, 3)
I was called with 3 arguments: (1, 2, 3)
As you can see, Python will unpack the arguments as a single tuple with all the arguments.
For keyword arguments you need to accept those as a separate actual argument, as shown in Skurmedel's answer.
...
Read password from stdin
Scenario: An interactive CLI Python program, that is in need for a password. That means also, there's no GUI solution possible.
...
Lambda function in list comprehensions
...
This question touches a very stinking part of the "famous" and "obvious" Python syntax - what takes precedence, the lambda, or the for of list comprehension.
I don't think the purpose of the OP was to generate a list of squares from 0 to 9. If that was the case, we could give even more solutions:
...
Convert pem key to ssh-rsa format
...etc/redhat-release ; uname -a ; openssl version
CentOS release 6.5 (Final)
Linux test1.example.local 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
OpenSSL 1.0.1e-fips 11 Feb 2013
References:
Sysmic.org Convert keys betweens GnuPG, OpenSsh and OpenSSL
...
return, return None, and no return at all?
... code will probably need to handle both types of return values).
Often in Python, functions which return None are used like void functions in C -- Their purpose is generally to operate on the input arguments in place (unless you're using global data (shudders)). Returning None usually makes it mor...
How to add an integer to each element in a list?
...
This talk explains it: Facts and Myths about Python Names and Values: nedbatchelder.com/text/names1.html
– Ned Batchelder
Dec 2 '16 at 13:36
...
Get difference between two lists
I have two lists in Python, like these:
27 Answers
27
...
Formatting floats without trailing zeros
... @alexanderlukanin13 because the default precision is 6, see docs.python.org/2/library/string.html: 'f' Fixed point. Displays the number as a fixed-point number. The default precision is 6. You would have to use '%0.7f' in the above solution.
– derenio
...
How to frame two for loops in list comprehension python
...%2fquestions%2f18551458%2fhow-to-frame-two-for-loops-in-list-comprehension-python%23new-answer', 'question_page');
}
);
Post as a guest
Name
...
Extract part of a regex match
...
Use ( ) in regexp and group(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECASE)
if title_sea...