... This way of initializing a Python array is evil: a=[[]]*2; a[0].append('foo'); now inspect a[1], and you will be shocked. In contrast a=[[] for k in range(2)] works fine. – Joachim W Aug 12 '13 at 21:40 ...

...s the second line', 'Line2'), ('This is the third line', 'Line3')] Old Python 2 answer, also using the csv module: import csv with open('file.csv', 'rb') as f: reader = csv.reader(f) your_list = list(reader) print your_list # [['This is the first line', 'Line1'], # ['This is the secon...

... It works in both Python 2 and Python 3 hasattr(connection, 'invert_opt') hasattr returns True if connection object has a function invert_opt defined. Here is the documentation for you to graze https://docs.python.org/2/library/functions.h...

I'm learning Python and can't even write the first example: 4 Answers 4 ...

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: ...

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 ...

...the list of cross product pairs from a list of arbitrarily long lists in Python? 3 Answers ...

... 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 ...

... This is considered the Pythonic way, but I prefer krousey's way because "special cases aren't special enough". – Karl Knechtel Jan 30 '11 at 9:44 ...

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. ...