
What does asterisk * mean in Python? - Stack Overflow
What does asterisk * mean in Python? [duplicate] Asked 16 years, 7 months ago Modified 1 year, 6 months ago Viewed 319k times
Is there a "not equal" operator in Python? - Stack Overflow
Jun 16, 2012 · There are two operators in Python for the "not equal" condition - a.) != If values of the two operands are not equal, then the condition becomes true. (a != b) is true.
What does the "at" (@) symbol do in Python? - Stack Overflow
Jun 17, 2011 · 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 simple decorator allow you to modify a given function's definition without touch its innermost (it's closure).
python - What is the purpose of the -m switch? - Stack Overflow
Python 2.4 adds the command line switch -m to allow modules to be located using the Python module namespace for execution as scripts. The motivating examples were standard library modules such as pdb and profile, and the Python 2.4 implementation is …
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 a unique constant of an object during its lifetime. This id is using in back-end of Python interpreter to compare two objects using is keyword.
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 6.7. Binary arithmetic operations. The logical operators (like in many other languages) have the advantage that these are short-circuited.
syntax - What do >> and << mean in Python? - Stack Overflow
Apr 3, 2014 · 15 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.
python - What is the purpose of "pip install --user ..."? - Stack …
Nov 8, 2019 · Outside of a Python virtual environment it really is best to avoid using pip install without the --user entirely. This would install Python packages in places that really should be left to the system's package manager (for example apt in Debian/Ubuntu). It's better not to mess with this, this leads to so many issues.
python - What does ** (double star/asterisk) and * (star/asterisk) …
Aug 31, 2008 · A Python dict, semantically used for keyword argument passing, is arbitrarily ordered. However, in Python 3.6+, keyword arguments are guaranteed to remember insertion order.
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.