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This will always return True and 1 == 1 will always return False, since the types differ. Python is dynamically, but strongly typed, and other statically typed languages would complain about comparing different types. There's also the else clause. The is operator is the object identity operator used to check if two objects in fact are the. I notice that I can do things like 2 5 to get 64 and 1000 2 to get 250. Also I can use in print: print obj, Hello world What is happening here? What does asterisk * mean in Python? [duplicate] Ask Question Asked 17 years, 4 months ago Modified 2 years, 3 months ago In Python, the use of an underscore in a function name indicates that the function is intended for internal use and should not be called directly by users. It is a convention used to indicate that the function is private and not part of the public API of the module. 97 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). 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. That means if the first operand already defines the result, then the second. As far as the Python languages is concerned, _ generally has no special meaning. It is a valid identifier just like _foo, foo_ or _f_o_o_. The only exception are match statements since Python 3.10: In a case pattern within a match statement, _ is a soft keyword that denotes a wildcard. source Otherwise, any special meaning of _ is purely by. In a comment on this question, I saw a statement that recommended using result is not None vs result != None What is the difference? And why might one be recommended over the other? What does the >> operator do? For example, what does the following operation 10 >> 1 = 5 do? In Python this is simply =. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm implementation. Some notes about psuedocode: := is the assignment operator or = in Python = is the equality operator or == in Python There are certain styles, and your mileage may vary.

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