I’d like to to grab links from this page and put them in a list. I have this code: It produces following output: I need to get following: [/en/catalog/view/514, … , ‘/en/catalog/view/565’] But then I go ahead and add following: href_value = links.get(‘href’) I got an error.…
Tag: list
What does a backslash mean in a string literal?
I made a list of strings like this: But if I try to print it, I get a very different looking result: Why does this happen? Does the character have some special meaning here? Answer The backslash is used to escape special (unprintable) characters in string literals. n is for newline, t for tab, f for a form-f…
Nested lambda statements when sorting lists
I wish to sort the below list first by the number, then by the text. Attempt 1 I was not happy with this since it required splitting a string twice, to extract the relevant components. Attempt 2 I came up with the below solution. But I am hoping there is a more succinct solution via Pythonic lambda statements…
finding and replacing elements in a multidimensional list (python)
Similar to this question: finding and replacing elements in a list (python) but with a multi-dimensional array. For example, I want to replace all the N’s with 0’s: I want to change it to: Answer You can use a nested list comprehension: Output:
Python: Counting occurrences of List element within List
I’m trying to count the number of occurrences of elements within a list, if such elements are also lists. The order is also important. One important factor is that [‘a’, ‘b’, ‘c’] != [‘c’, ‘b’, ‘a’] I have tried: Which both resulted…
Python comparing two lists and filtering items
I would like to do some word filtering (extracting only items in ‘keyword’ list that exist in ‘whitelist’). Here is my code so far: I want to remove every word except for ‘Cat’, ‘Dog’, and ‘Cow’ (which are in the ‘whitelist’) so that the …
Python finding the common parts of a string throughout a list and removing it from every item
I have a list of file directories that looks similar to this: I am trying to remove the beginnings of the paths that are the same from every list, and then deleting that from each file. The list can be any length, and in the example I would be trying to change the list into: Methods like re.sub(r’.*I…
How to repeat each of a Python list’s elements n times with itertools only?
I have a list with numbers: numbers = [1, 2, 3, 4]. I would like to have a list where they repeat n times like so (for n = 3): [1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4]. The problem is that I would like to only use itertools for this, since I am very constrained
How to replace a word to another word in a list python?
If I have this list: Is it possible to replace every world to any other word without using any auto command, I am thinking about something like this: Answer You can use a list comprehension with an if-else. You now have a new list, list_B, where all instances of the word “world” have been replaced…
generating word cloud for items in a list in python
and I am generating a word cloud for this list by using As I am converting all the items into string it is generating word cloud for help me for generating word cloud for items in a list Answer one way of doing, Another way by creating Counter Dictionary,