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. …

Nov 25, 2023 · 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 …

Dec 14, 2021 · Also, a ^= b is equivalent to a = a.__ixor__(b) (where __xor__ is used as a fallback when __ixor__ is implicitly called via using ^= but does not exist). In principle, what __xor__ …

Aug 10, 2010 · In Python 3, your example range(N)[::step] produces a range object, not a list. To really see what is happening, you need to coerce the range to a list, np.array, etc. – PikalaxALT

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 …

Oct 3, 2019 · What does the /= operator mean in Python? 2. How and operator works in python? 1.

numpy uses tuples as indexes. In this case, this is a detailed slice assignment. [0] #means line 0 of your matrix [(0,0)] #means cell at 0,0 of your matrix [0:1] #means lines 0 to 1 excluded of …

Apr 25, 2017 · What does the percentage sign mean? It's an operator in Python that can mean several things depending on the context. A lot of what follows was already mentioned (or …

Aug 5, 2010 · When you say it divides by two, you mean two raised to the power of the second operator, in other words, a >> b == a / (2**b). – Brigand Commented Mar 27, 2012 at 18:48

Mar 21, 2023 · The code in the question is pseudo-code; there, := represents assignment. For future visitors, though, the following might be more relevant: the next version of Python (3.8) …