What is Python's equivalent of && (logical-and) in an if-statement?
21 Márta 2010 · There is no bitwise negation in Python (just the bitwise inverse operator ~ - but that is not equivalent to not). See also 6.6. Unary arithmetic and bitwise/binary operations and 6.7. Binary …
slice - How slicing in Python works - Stack Overflow
Python slicing is a computationally fast way to methodically access parts of your data. In my opinion, to be even an intermediate Python programmer, it's one aspect of the language that it is necessary to be …
python - Iterating over a dictionary using a 'for' loop, getting keys ...
16 Márta 2017 · Why is it 'better' to use my_dict.keys() over iterating directly over the dictionary? Iteration over a dictionary is clearly documented as yielding keys. It appears you had Python 2 in mind …
Is there a "not equal" operator in Python? - Stack Overflow
16 Meith 2012 · There's the != (not equal) operator that returns True when two values differ, though be careful with the types because "1" != 1. This will always return True and "1" == 1 will always return …
math - `/` vs `//` for division in Python - Stack Overflow
In Python 3.x, 5 / 2 will return 2.5 and 5 // 2 will return 2. The former is floating point division, and the latter is floor division, sometimes also called integer division. In Python 2.2 or later in the 2.x line, …
syntax - What do >> and << mean in Python? - Stack Overflow
3 Aib 2014 · The other case involving print >>obj, "Hello World" is the "print chevron" syntax for the print statement in Python 2 (removed in Python 3, replaced by the file argument of the print() function).
你是如何自学 Python 的? - 知乎
Crossin:Python 的练手项目有哪些值得推荐? 最好能找到一个已经会python的人。 问他一点 学习规划的建议 (上知乎也是个途径),然后在遇到卡壳的地方找他指点。 这样会事半功倍。 但是,要学会 …
有没有适合新手练习 Python 的做题类网站? - 知乎
9. pythonchallenge 这是一个非常有意思的 Python 游戏通关网站,每一关都需要利用 Python 知识解题找到答案,然后进入下一关。很考验对 Python 的综合掌握能力,比如有的闯关需要用到正则表达式, …
What does colon equal (:=) in Python mean? - Stack Overflow
In Python this is simply =. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm implementation. Some notes about …
What does the "at" (@) symbol do in Python? - Stack Overflow
96 What does the “at” (@) symbol do in Python? @ symbol is a syntactic sugar python provides to utilize decorator, to paraphrase the question, It's exactly about what does decorator do in Python? Put it …