I have example list like this: example_list = [['aaa'], ['fff', 'gg'], ['ff'], ['', 'gg']] Now, I check if it has empty string like this: has_empty = False; for list1 in example_list: for val1 in list1: if val1 == '': has_empty = True print(has_empty) This works OK as it prints True, but looking for more pythonik … Read more
I was surprised to discover recently that while dicts are guaranteed to preserve insertion order in Python 3.7+, sets are not:
I’m new to xml parsing and Python so bear with me. I’m using lxml to parse a wiki dump, but I just want for each page, its title and text.
I’m getting an error while running the following code:
My code is for a Tic Tac Toe game and checking for a draw state but I think this question could be more useful in a general sense.
I need to dynamically change tables and variables from time to time, so I wrote a python method like this:
What I’m trying to do:
I was trying to pass two lists containing integers as arguments to a python code. But sys.argv[i] gets the parameters as a list of string.
I’d like to initialise a dictionary of sets (in Python 2.6) using dict.fromkeys, but the resulting structure behaves strangely. More specifically: >>>> x = {}.fromkeys(range(10), set([])) >>>> x {0: set([]), 1: set([]), 2: set([]), 3: set([]), 4: set([]), 5: set([]), 6: set([]), 7: set([]), 8: set([]), 9: set([])} >>>> x[5].add(3) >>>> x {0: set([3]), 1: … Read more
I just posted this question jQuery – passing arrays in post request, where I don’t to send arrays in post request, but there is no problem in jQuery code.