I want to get a list sorted accordingly to the following rules persons.sort(key = lambda p: (abs(p[“height”] – 180), p[“weight”]==75, p[“weight”])) i.e. I need it to get sorted firstly by its closeness to the height 180, then all of the weight values which are equal t…
Tag: list
Python argparse – Detect if list argument is passed without anything afterwards
Let’s say the user types: ./args.py –create –mem 5 and my parser looks like this: parser.add_argument(‘–create’, nargs=’*’, default=None) Normally –create takes a list with nargs=’*’, however in this case the user passed nothing. What I would l…
Key Error even though key IS in dictionary? [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 1 year ago. Improve this question Dictio…
Read data from Excel and search it in df, TypeError: ‘in ‘ requires string as left operand, not float
I read a lot about this Error, but I couldn’t find a solution for me. I have an Excel with 3 columns in which I store keywords. I want to read these keywords and search it in a Pandas Dataframe. The Code below gives me an Error: The Code: But when I read just one column from Excel and write
How do you take output from print() and put it into a set of variables, one in each?
I want to save the output of the line print(LettersUpC[CodeNum]) into a variable outside, but have it be a different variable each time. How can I accomplish this? Answer this is a modified version that will work.
List behaviour in Python
I understand that the following code: gives 2 as output. However, what I do not understand is that Does not give 2 as an output, but 1 instead? Answer A Python variable is a symbolic name that is a reference or pointer to an object. Multiple variables can point to the same object. Changing a variable assignme…
Make a list from multiple list
I have three lists: What I hope to get is a list like the following: This list is supposed to contain one item from list 1, then one from list 2, and one from list 3. This then continues until list 1 is exhausted; list 1 should then be ignored, and the same process should happen on just lists 2
Conditionally merge lines in text file
I’ve a text file full of common misspellings and their corrections. All misspellings, of the same intended word, should be on the same line. I do have this somewhat done, but not for all misspellings of the same word. misspellings_corpus.txt (snippet): Desired: template: wrong1, wrong2, wrongN->corre…
Turning a list into a dictionary adding headers
I’d like to turn the following list in a dictionary: I’d like to add the following headers. Each element of the list needs to have its own header. This is my code: And the following is my output. I obtain the dictionary only for the first element of the list and I can’t understand why. Answe…
Check if any element of a list is in a matrix?
I have a small list: and I have a matrix too. for example: And I need to determine if any of the elements of l ist2 of this array are not in the matrix2. I try to use np.isin() : But this code only shows if there is the elements in the matrix or not completely. But I need this