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Using python's eval() vs. ast.literal_eval()?
... of eval.
ast.literal_eval raises an exception if the input isn't a valid Python datatype, so the code won't be executed if it's not.
Use ast.literal_eval whenever you need eval. You shouldn't usually evaluate literal Python statements.
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What is __main__.py?
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Often, a Python program is run by naming a .py file on the command line:
$ python my_program.py
You can also create a directory or zipfile full of code, and include a __main__.py. Then you can simply name the directory or zipfile ...
Automatically import modules when entering the python or ipython interpreter
... myself typing import numpy as np almost every single time I fire up the python interpreter. How do I set up the python or ipython interpreter so that numpy is automatically imported?
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How to beautify JSON in Python?
Can someone suggest how I can beautify JSON in Python or through the command line?
13 Answers
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What does Python's eval() do?
In the book that I am reading on Python, it keeps using the code eval(input('blah'))
10 Answers
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
Is it guaranteed that False == 0 and True == 1 , in Python (assuming that they are not reassigned by the user)? For instance, is it in any way guaranteed that the following code will always produce the same results, whatever the version of Python (both existing and, likely, future ones)?
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Python integer division yields float
... @JonathanSternberg except for all the code that was written for python 2.0. I feel like the role of / and // should be reversed to keep backwards compatibility. Also, in pretty much every other language / preserves type. i would make more sense then for // to automatically convert to f...
Properties file in python (similar to Java Properties)
...avaproperties hasn't been maintained since 2010. It is not compatible with python 3. I would use the solutions linked to by @pi.
– codyzu
Sep 2 '15 at 11:47
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Compile (but do not run) a Python script [duplicate]
How do I compile a Python script without running it? I just want to check the script for syntax errors. I was hoping for a simple command line switch, but I didn't see anything in python --help . I'd like an answer for both Python 2 and Python 3.
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What does pythonic mean? [closed]
On many websites I often see comments that code isn't pythonic, or that there is a more pythonic way to achieve the same goal.
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