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  • What does colon equal (:=) in Python mean? - Stack Overflow
    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:
  • Is there a not equal operator in Python? - Stack Overflow
    There's the != (not equal) operator that returns True when two values differ, though be careful with the types because "1" != 1 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:
  • What is :: (double colon) in Python when subscripting sequences?
    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
  • operators - Python != operation vs is not - Stack Overflow
    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 asterisk * mean in Python? - Stack Overflow
    What does asterisk * mean in Python? [duplicate] Ask Question Asked 17 years, 2 months ago Modified 2 years, 2 months ago
  • The tilde operator in Python - Stack Overflow
    In Python, for integers, the bits of the twos-complement representation of the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again as a twos-complement integer So for integers, ~x is equivalent to (-x) - 1 The reified form of the ~ operator is provided as operator invert
  • gt; gt; operator in Python - Stack Overflow
    What does the gt; gt; operator do? For example, what does the following operation 10 gt; gt; 1 = 5 do?
  • What is the purpose of the single underscore _ variable in Python?
    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




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