
python - What exactly does += do? - Stack Overflow
Jan 30, 2011 · In Python, += is sugar coating for the __iadd__ special method, or __add__ or __radd__ if __iadd__ isn't present. The __iadd__ method of a class can do anything it wants. …
What is Python's equivalent of && (logical-and) in an if-statement?
Sep 13, 2023 · 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 …
python - Is there a difference between "==" and "is"? - Stack …
Since is for comparing objects and since in Python 3+ every variable such as string interpret as an object, let's see what happened in above paragraphs. In python there is id function that shows …
What is the result of % (modulo operator / percent sign) in Python?
Jun 14, 2024 · On Python 3 the calculation yields 6.75; this is because the / does a true division, not integer division like (by default) on Python 2. On Python 2 1 / 4 gives 0, as the result is …
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 …
mean in Python function definitions? - Stack Overflow
Jan 17, 2013 · In more detail, Python 2.x has docstrings, which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by …
What does the ** maths operator do in Python? - Stack Overflow
From the Python 3 docs: The power operator has the same semantics as the built-in pow() function, when called with two arguments: it yields its left argument raised to the power of its …
What do the symbols "=" and "==" mean in python? When is each …
x = 4 tells Python that x is equal to 4. Nothing else is displayed because it is just a command. x == 4 on the other hand is asking if x is equal to 4. When we ask a question, the Python shell will …
What is :: (double colon) in Python when subscripting sequences?
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 …
Is there a "not equal" operator in Python? - Stack Overflow
Jun 16, 2012 · Python is dynamically, but strongly typed, and other statically typed languages would complain about comparing different types. There's also the else clause: # This will …