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? Thanks. Reference: Does Python have
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'{names[num]}’)
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 corresponding row in the ‘B’ column (col=1) The code
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 exception: Please, help. Answer range() The range() function creates a sequence of numbers. So while passing the
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 having with doing so, is making one
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 have this Now the
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? Answer You need
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 same index, but isntead in