What do the symbols "=" and "==" mean in python? When is each …
Nov 25, 2023 · It is x that has the value, so we want to know if x is equal to 4; we don't want to tell Python that it is. In that case, you need double =: >>> x = 4 >>> print x == 4 True In any place that you can use =, you can use ==; but it will have a different meaning. For example: >>> x = 4 >>> print x 4 >>> x == 4 True x = 4 tells Python that x is ...
python - What do these operators mean ... - Stack Overflow
Mar 4, 2013 · (Additionally, Python specifies x % m to have the sign of m.) // is a division operation that returns an integer by discarding the remainder. This is the standard form of division using the / in most programming languages. However, Python 3 changed the behavior of / to perform floating-point division even if the arguments are integers.
What does the “|” sign mean in Python? - Stack Overflow
Dec 31, 2009 · In Python, the | symbol is used as a bitwise OR operator for integers and a union operator for sets and some other data structures. Bitwise OR for Integers. When used between two integers, | performs a bitwise OR operation. This means it compares each bit of the integers and returns a new integer where each bit is set to 1 if at least one of ...
What is :: (double colon) in Python when subscripting sequences?
Aug 10, 2010 · When slicing in Python the third parameter is the step. As others mentioned, see Extended Slices for a nice overview. With this knowledge, [::3] just means that you have not specified any start or end indices for your slice. Since you have specified a step, 3, this will take every third entry of something starting at the first index. For example:
What does asterisk * mean in Python? - Stack Overflow
All of the above answers were perfectly clear and complete, but just for the record I'd like to confirm that the meaning of * and ** in python has absolutely no similarity with the meaning of similar-looking operators in C. They are called the argument-unpacking and keyword-argument-unpacking operators.
What does the percentage sign mean in Python [duplicate]
Apr 25, 2017 · It's an operator in Python that can mean several things depending on the context. A lot of what follows was already mentioned (or hinted at) in the other answers but I thought it could be helpful to provide a more extensive summary. % for Numbers: Modulo operation / Remainder / Rest. The percentage sign is an operator in Python. It's described as:
What does the “at” (@) symbol do in Python? - Stack Overflow
A google search for "decorator python docs" gives as one of the top results, the "Compound Statements" section of the "Python Language Reference." Scrolling down to the section on function definitions , which we can find by searching for the word, "decorator", we see that... there's a lot to read.
What does -> mean in Python function definitions? - Stack Overflow
Jan 17, 2013 · In Python 3.5 though, PEP 484 -- Type Hints attaches a single meaning to this: -> is used to indicate the type that the function returns. It also seems like this will be enforced in future versions as described in What about existing uses of annotations :
What does [:-1] mean/do in python? - Stack Overflow
Mar 20, 2013 · Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1] Have searched on here on S.O. and on Google but to no avail. Would love an explanation!
syntax - What do >> and << mean in Python? - Stack Overflow
Apr 3, 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). Instead of writing to standard output, the output is passed to the obj.write() method. A typical example would be file objects having a write() method.