I want to turn the following for loop: into a one liner. I figured I could do something like this: but I need to update the value of x0 in each instance of the loop. Any ideas? Answer Walrus operator := to the rescue:
Tag: for-loop
Filter elements in a list not containing multiple substrings in Python
For a list of file names file_names, I try to use code below to filter file names not containing foo or bar: Output: But it’s not working out, it should return data.xlsx. Meanwhile, it works for containing case: Out: Does someone could help to explain what’s error in my code and how to fix it? Tha…
globas and exec in python
I have written code, to create variable and assign values using for loop. but I am getting result as None but even I tried to change the code with below modification, still getting the same Can some one help me to get the proper answer for this. Note: even I used exec function in the place of name (ex: exec(f…
Append data in Excel using Python Selenium Openpyxl
I have a sheet with 5 registration numbers, which are successfully being entered into the webpage search, and the code runs without errors while iterating using a ‘For’ statement for each row in the ‘A’ column (Col=0). I am now trying to append the colour returned by the code into the …
How to click through multiple elements with same XPATH in selenium using for loop?
I’m trying to web scrape different elements with same class name. The following statements works well. … and so on. Now, if I put this in a loop, it doesn’t work. Looks like, it doesn’t recognize (//div[@class= ‘jumbo-tracker’])[i] Here’s the code: Here’s the ex…
How do I use indexing to swap letters from a text file, using two different lists?
I’m in the process of making an encrypting/decrypting code and here’s what I have so far… I’m essentially trying to modify a text file in 3 ways, paste it to another file, then use that file to decrpyt the text file, and place it inside of another file. The only real problem I’m …
Substract two row values in dataframe python
Currently I have a sort of dataframe where I want to substract value from current row from the previous one. example: df = pd.Datafame([1,4,3,5,6],columns = [“time”)]) left 1 4 3 5 6 I want to iterate over these rows and store it in a list. So the list will get like this [-3,1,-2,-1]. So far I hav…
Scraping multiple website data from a table
I am practicing scraping website and inputting the information into a table. I imported the link, but I seem to be getting an error message based off the url. The error message I received states: I rechecked the url to run the code again, but I am still receiving this error message. Can someone please help me…
Iterating through list of lists of lists
I am trying to iterate through a 3-D list in python(not numpy but I am willing to convert to a numpy array if this makes it easier) in such a way that from a list like this: I can get the output I can’t figure out how to make it iterate like this… My code: I’ve tried different things but
Is there a way to transfer the contents of a for statement to a function?
So i’m currently trying to make a program that encrypts, then decrypts a file. For the encryption process i’m trying to move a line of the given file to another function, that will replace a letter at one index from the arranged list corresponding to the words in the file, with a letter at the sam…