I read a list of lists from a txt file and I got a list like this: Each list item in this list is a str type which is a problem. it should be like this: How do I do that? Answer Using the eval() function along with a list comprehension we can try: This prints:
Tag: python
Trouble with injecting Callable
I’m using python-dependency-injector. I tried this code and it worked perfectly: https://python-dependency-injector.ets-labs.org/providers/callable.html that page also mentioned next: Callable provider handles an injection of the dependencies the same way like a Factory provider. So I went and wrote thi…
youtube downloader by pyscript
I’m trying to make a youtube downloader by pyscript but I got this error Answer Web browsers do not allow applications to open TCP sockets. Your application depends on urllib which requires TCP sockets. The package urllib is not supported by any web browser due to the browser’s security sandbox. Y…
PyQt6 Implementing copy-paste functionality across tabs in same window
I am trying to create a tableWidget in PyQt that has copy-paste functionality and the ability to create new tabs. My table is loaded with a initialized sheet but gives the user the ability to create new tabs with new qTableWidgets which I handled using a for loop to create and initialize the widget everytime …
Django no reverse match at
I have a problem with my code I’m trying to create an edit button to modify the employees subsequently displayed and make the changes but I can’t display with dynamic url in django. views.py url.py employe.html models.py screenShot of the page Answer The problem is here: You don’t have emplo…
How to annotate a type that is a combination of multiple duck-types?
Let’s say I want to annotate the parameter to a function, and it should satisfy both typing.Sized and typing.Hashable (any other 2+ types could apply, I just picked these two for the sake of example). How would I annotate this? Given that one can combine types as an “or” using Sized | Hashab…
Need to set a default value for multiple input for list in Python
I’m trying to get the default value if input is blank, how can I do that? Output what I’m getting is for variable is blank if there is no user input. Answer Your logic needs to decide whether the value is empty, and then split if not. Unfortunately, this means your otherwise rather elegant or form…
Dictionary of np arrays
I am working on a load function that loads files containing one pandas dataframe per file (or even better one np array). I.e. I am loading a .csv file and I want to link it to only one array variable. This function takes as input one dictionary containing the name I want (as key) the variable to take and the
Element is removed from whole dictonary instead of particular key in dynamic dictonary in python
I am creating a dynamic dictionary. I want to remove the element from a particular array but it is removed from the whole dictionary. In below code I want to remove vehicle id 11 from the time slot “01:01:00 to 01:30:00”. This code removes vehicle id 11 from the whole dictionary. Actual Output Exp…
GroupBy results to list of dictionaries, Using the grouped by object in it
My DataFrame looks like so: And I’m looking to group it by Date and extract that data to a list of dictionaries so it appears like this: This is my code so far: Using this method can’t use my grouped by objects in the apply method itself: Using to_dict() giving me the option to reach the grouped b…