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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:
- 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
- What does [:-1] mean do in python? - Stack Overflow
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
- python - Iterating over a dictionary using a for loop, getting keys . . .
In Python 3, the iteration has to be over an explicit copy of the keys (otherwise it throws a RuntimeError) because my_dict keys() returns a view of the dictionary keys, so any change to my_dict changes the view as well
- python - How do I execute a program or call a system command? - Stack . . .
How do I call an external command within Python as if I had typed it in a shell or command prompt?
- python - Find a value in a list - Stack Overflow
In Python 3, filter doesn't return a list, but a generator-like object Finding the first occurrence If you only want the first thing that matches a condition (but you don't know what it is yet), it's fine to use a for loop (possibly using the else clause as well, which is not really well-known) You can also use
- How can I find where Python is installed on Windows?
I want to find out my Python installation path on Windows For example: C:\\Python25 How can I find where Python is installed?
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