Splitting list based on missing numbers in a sequence
I am looking for the most pythonic way of splitting a list of numbers into smaller lists based on a number missing in the sequence. For example, if the initial list was:
list
How to construct a set out of list items in python?
I have a list of filenames in python and I would want to construct a set out of all the filenames.
str.startswith with a list of strings to test for
I’m trying to avoid using so many if statements and comparisons and simply use a list, but not sure how to use it with str.startswith:
Merging dictionary value lists in python
I’m trying to merge three dictionaries, which all have the same keys, and either lists of values, or single values.
Convert list into a dictionary
returns a list of tuples, where the i-th tuple contains the i-th element from each of the arguments
Python: How to remove empty lists from a list?
I have a list with empty lists in it: list1 = [[], [], [], [], [], 'text', 'text2', [], 'moreText'] How can I remove the empty lists so that I get: list2 = ['text', 'text2', 'moreText'] I tried list.remove(”) but that doesn’t work. Answers: Thank you for visiting the Q&A section on Magenaut. Please note … Read more
Print list of lists in separate lines
I have a list of lists:
Sorting a dictionary with lists as values, according to an element from the list
I want to sort a dictionary of lists, by third item in each list. It’s easy enough sorting a dictionary by value when the value is just a single number or string, but this list thing has me baffled.
Appending a dictionary to a list in a loop
I am trying to take a dictionary and append it to a list. The dictionary then changes values and then is appended again in a loop. It seems that every time I do this, all the dictionaries in the list change their values to match the one that was just appended.
Fastest way to search a list in python
When you do something like "test" in a where a is a list does python do a sequential search on the list or does it create a hash table representation to optimize the lookup? In the application I need this for I’ll be doing a lot of lookups on the list so would it be best to do something like b = set(a) and then "test" in b? Also note that the list of values I’ll have won’t have duplicate data and I don’t actually care about the order it’s in; I just need to be able to check for the existence of a value.