I am using the following code to create a list of image files with tif extension. The current result of the code is a list with the address of the .tif files. result: How can I revise the code to create two lists a) name of the file with .tif b) name of the file. here is the example: edit
Tag: list-comprehension
Parsing nested JSON with list comprehension in Python
My data is as following (this just extract but there are much more objects, some don’t have the additionalData) I’m trying to iterate with list comprehension to get dataframe of referenceDataItems and everything within that key, also additionalData if appears. Expected result: Answer I did some re…
List of tuples of 2 elements using a list comprehension
I want to use a list comprehension to initialize a list of tuples that has a 2 elements in it, my attempt is as follows: But that gives me an error: What is the right way to do it ? I know I can use a for loop, but I want to know anyway. Answer range return a single value
Indent-Expected errors while trying to write one-line list comprehension: if-else variants
I am trying to write a list with if-else statements in one line. I’ve followed the instructions in this solution, but I got multiple “indent-Expected” errors. Here is my code: The issue in this line: Answer continue is a reserved keyword in Python so you are getting the error. You don’…
Fill Excel cells with random numbers
I have a question about how to fill some cells in Excels with random values? For example, I have a part of the code with: Which gave me the error of: TypeError: Unsupported type <class ‘generator’> in write() How to fix it? Answer To write multiple cells, use write_row() or write_column() as…
Dictionary from list comprehension
I have a following list. I found dictionary keys, which is the first item in the tuple. From there, I created a dictionary, whose values are the tuples from the first list if the first item in the tuple matches with the keys defined previously. Then I created a new list whose elements are tuples based on the …
Creating list of dictionaries from a dictionary using list comprehension
I have a dictionary of the format: And I’m trying to create a list of dictionaries that separate the values, i.e., the result should be: Is there a way I can do this with a one-line list comprehension? What I have tried so far: And my code using a normal “for” loop: Answer Here’s a lis…
How to generate dictionaries from multiple lists?
I have the following lists : And I would like to generate the following dictionaries: Which kind of loop or function Should I use? Answer Use zip and the following comprehension:
How to create a mask of substrings using np.where or list comprehensions?
I have two python lists of strings that I would like to compare. The first is my main list, containing a series of long codes. The second is a list of partial strings. The desired result is a mask of list 1, populated by the substrings from list two. If no match is found, list3 can return 0, np.nan, ‘-&…
Expand a dict containing list items into a list of dict pairs
If I have a dictionary containing lists in one or more of its values: How can I get a list of dict tuples paired by pair and iterating over c, with all else remaining constant? E.g. Answer Well, this doesn’t feel especially elegant, but you might use a nested for loop or list comprehension: or A cleaner…