list-comprehension
the right expression for ["A" for x in range(0,10) or "B" if x == 9] in python?
I want to express x is in range(0,10), if x == 9 then \"B\", else \"A\", what开发者_StackOverflow中文版 is the right expression for that with in a line? Thanks![详细]
2023-03-11 08:54 分类:问答A faster way of comparing two lists of point-tuples?
I have two lists (whi开发者_StackOverflow社区ch may or may not be the same length). In each list, are a series of tuples of two points (basically X, Y values).[详细]
2023-03-11 08:10 分类:问答Create a list with boolean values which represent results of a predicate when applied to a list
I am trying to figure out if there is a way to get a logical list through comparison in Python 3. Basically what I want to input is this[详细]
2023-03-11 07:56 分类:问答Problem in List of tuples
I have a list of tuples which i need to return a [Int] which are all the locations开发者_如何学Go are dividable by 2 ..[详细]
2023-03-11 04:57 分类:问答Losing elements in python code while creating a dictionary from a list?
I have some headache w开发者_运维问答ith this python code. print \"length:\", len(pub) # length: 420[详细]
2023-03-11 01:36 分类:问答Python, working with list comprehensions
I have such code: a = [[1, 1], [2, 1], [3, 0]] I want to get two lists, the first contains elements of \'a\', where a[][1] = 1, and the second - elements where a[][1] = 0. So[详细]
2023-03-08 22:20 分类:问答function inside list comprehension - is it evaluated multiple times [duplicate]
This question already has answers here: Python: Is the split function evaluated multiple times in a list comprehension?[详细]
2023-03-08 16:53 分类:问答Coffeescript assoc array syntax in a list comprehension
Hi everyone: I\'m often running into the following issue with coffeescript and was wondering if anyone knows of a solution. Consider the following code:[详细]
2023-03-08 12:21 分类:问答Haskell list comprehension for finding primes
I\'m trying to find all the primes less than some integer n as concisely as possible, using list comprehensions. I\'m learning Haskell, and this is just an exercise. I\'d like to write something like:[详细]
2023-03-07 18:36 分类:问答Need the best way to iterate a file returning batches of lines as XML
I\'m looking for the best way to process a file in which, based on the contents, i combine certain lines into XML and return the XML.[详细]
2023-03-07 17:25 分类:问答