大约有 11,000 项符合查询结果(耗时:0.0196秒) [XML]

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Log exception with traceback

How can I log my Python errors? 10 Answers 10 ...
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Invalid syntax when using “print”? [duplicate]

I'm learning Python and can't even write the first example: 4 Answers 4 ...
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How do I pick 2 random items from a Python set? [duplicate]

I currently have a Python set of n size where n >= 0. Is there a quick 1 or 2 lines Python solution to do it? For example, the set will look like: ...
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How should I organize Python source code? [closed]

I'm getting started with Python (it's high time I give it a shot), and I'm looking for some best practices. 2 Answers ...
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Pairwise crossproduct in Python [duplicate]

...the list of cross product pairs from a list of arbitrarily long lists in Python? 3 Answers ...
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python ? (conditional/ternary) operator for assignments [duplicate]

... Python has such an operator: variable = something if condition else something_else Alternatively, although not recommended (see @karadoc's comment): variable = (condition and something) or something_else ...
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Complex numbers usage in python [closed]

I'm a math newbie. Now I'm getting deeper into Python data types. I can't understand how to use a complex number. Please give me examples of usage of complex numbers in Python. ...
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Why doesn't calling a Python string method do anything unless you assign its output?

... This is because strings are immutable in Python. Which means that X.replace("hello","goodbye") returns a copy of X with replacements made. Because of that you need replace this line: X.replace("hello", "goodbye") with this line: X = X.replace("hello", "goodbye"...
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How do I write a Python dictionary to a csv file? [duplicate]

...want to check out the with statement for opening files. It's not only more pythonic and readable but handles closing for you, even when exceptions occur. Example with these changes made: import csv my_dict = {"test": 1, "testing": 2} with open('mycsvfile.csv', 'wb') as f: # Just use 'w' mode in...
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Calling filter returns [duplicate]

I am learning the concept of filters in Python. I am running a simple code like this. 2 Answers ...