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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:
- 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
- python - Find the current directory and files directory - Stack Overflow
How do I determine: the current directory (where I was in the shell when I ran the Python script), and where the Python file I am executing is?
- python - if else in a list comprehension - Stack Overflow
How do I convert the following for-loop containing an if else into a list comprehension? results = [] for x in xs: results append(f(x) if x is not None else '') It should yield '' if x is None
- python is not recognized as an internal or external command
Closed 5 years ago So I have recently installed Python Version 2 7 5 and I have made a little loop thing with it but the problem is, when I go to cmd and type python testloop py I get the error: 'python' is not recognized as an internal or external command I have tried setting the path but no avail Here is my path: C:\Program Files\Python27
- python - How do I write JSON data to a file? - Stack Overflow
How do I write JSON data stored in the dictionary data to a file? f = open ('data json', 'wb') f write (data) This gives the error: TypeError: must be string or buffer, not dict
- python - How do I terminate a script? - Stack Overflow
also sys exit () will terminate all python scripts, but quit () only terminates the script which spawned it David C Over a year ago Do you know if this command works differently in python 2 and python 3?
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