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What is the use of “assert” in Python?

...condition, and immediately trigger an error if the condition is false. In Python, it's roughly equivalent to this: if not condition: raise AssertionError() Try it in the Python shell: >>> assert True # nothing happens >>> assert False Traceback (most recent call last): F...
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How to comment out a block of code in Python [duplicate]

Is there a mechanism to comment out large blocks of Python code? 19 Answers 19 ...
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Iterating through a JSON object

..., json_object[0][song]. None of this is specific to JSON. It's just basic Python types, with their basic operations as covered in any tutorial. share | improve this answer | ...
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Remove all the elements that occur in one list from another

... Python has a language feature called List Comprehensions that is perfectly suited to making this sort of thing extremely easy. The following statement does exactly what you want and stores the result in l3: l3 = [x for x in ...
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Inserting a Python datetime.datetime object into MySQL

... J McMahon: time is a Python module. – dstromberg Sep 1 '16 at 23:45 ...
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What exactly are iterator, iterable, and iteration?

... is the most basic definition of "iterable", "iterator" and "iteration" in Python? 13 Answers ...
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Is it possible to have multiple statements in a python lambda expression?

I am a python newbie trying to achieve the following: 17 Answers 17 ...
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python list in sql query as parameter

I have a python list, say l 15 Answers 15 ...
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Python - When to use file vs open

What's the difference between file and open in Python? When should I use which one? (Say I'm in 2.5) 6 Answers ...
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assertEquals vs. assertEqual in python

Is there a difference between assertEquals and assertEqual in the python unittest.TestCase ? 7 Answers ...