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How to enumerate a range of numbers starting at 1
I am using Python 2.5, I want an enumeration like so (starting at 1 instead of 0):
12 Answers
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How can I remove a trailing newline?
What is the Python equivalent of Perl's chomp function, which removes the last character of a string if it is a newline?
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How do you get the logical xor of two variables in Python?
How do you get the logical xor of two variables in Python?
24 Answers
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Transpose list of lists
...w about
map(list, zip(*l))
--> [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
For python 3.x users can use
list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip expects an arbitrary number of argu...
Add string in a certain position in Python
Is there any function in Python that I can use to insert a value in a certain position of a string?
8 Answers
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Reading a binary file with python
I find particularly difficult reading binary file with Python. Can you give me a hand?
I need to read this file, which in Fortran 90 is easily read by
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In Python, how do I create a string of n characters in one line of code?
I need to generate a string with n characters in Python. Is there a one line answer to achieve this with the existing Python library? For instance, I need a string of 10 letters:
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Benchmarking (python vs. c++ using BLAS) and (numpy)
...ect that the result would show such a huge discrepancy between the c++ and python approach? Both are using shared objects for their calculations.
No.
Since I would rather use python for my program, what could I do to increase the performance when calling BLAS or LAPACK routines?
Make sure th...
Outputting data from unit test in python
If I'm writing unit tests in python (using the unittest module), is it possible to output data from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with m...
Determine if variable is defined in Python [duplicate]
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@einpoklum, Python uses exception StopIteration within just about every for statement -- that's how an iterator lets it known that it's all done. And of course, it is far from "an exceptional case" for iteration to be done -- indeed, on...