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  1. 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.

  2. What does colon equal (:=) in Python mean? - Stack Overflow

    Mar 21, 2023 · What does the := operand mean, more specifically for Python? Can someone explain how to read this snippet of code? node := root, cost = 0 frontier := priority queue containing node only explored :=

  3. 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).

  4. python - Is there a difference between "==" and "is"? - Stack Overflow

    According to the previous answers: It seems python performs caching on small integer and strings which means that it utilizes the same object reference for 'hello' string occurrences in this code snapshot, while it did not preform caching for 'hello sam' as it is relatively larger than 'hello' (i.e. it manages different references of 'hello sam ...

  5. 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.

  6. 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.

  7. python - What is the purpose of the -m switch? - Stack Overflow

    Initially its only purpose was to provide an alternative means of identifying the Python module to execute from the command line. That is, if we knew both the <filename> and <modulename> for a module then the following two commands were equivalent: python <filename> <args> and python -m <modulename> <args>.

  8. Using or in if statement (Python) - Stack Overflow

    Using or in if statement (Python) [duplicate] Asked 7 years, 6 months ago Modified 9 months ago Viewed 150k times

  9. 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 familiar with.

  10. python - What does the 'b' character do in front of a string literal ...

    I don't think this applies to Python. I did find this documentation on the Python site about using a u character in the same syntax to specify a string as Unicode. Unfortunately, it doesn't mention the b character anywhere in that document. Also, just out of curiosity, are there more symbols than the b and u that do other things?