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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:
- What is :: (double colon) in Python when subscripting sequences?
I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3]?
- 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 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
- 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?
- 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
- What does asterisk * mean in Python? - Stack Overflow
What does asterisk * mean in Python? [duplicate] Asked 17 years, 3 months ago Modified 2 years, 2 months ago Viewed 327k times
- Does Python have a ternary conditional operator?
Python is a syntax-rich language with lots of idiomatic tricks that aren't immediately apparent to the dabbler But the more you learn and understand the mechanics of the underlying system, the more you appreciate it
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