In this code there are four test cases. 1st and 2nd and 4th test cases are camed successfully but 3rd test case was not getting expected output. Please help me I got 12x^4 + 9x^3 – 5x^2x – 1 as output in 3rd test case but expected output is 12x^4 + 9x^3 – 5x^2 – x – 1 For Add
Does Python have a basename function that is equal to Unix basename?
documentation os.path.basename(path) Return the base name of pathname path. This is the second element of the pair returned by passing path to the function split(). Note that the result of this function is different from the Unix basename program; where basename for ‘/foo/bar/’ returns ‘bar&…
Accidentally deleted pip on my system when downgrading Python, now pip won’t install
I downgraded my Python from 3.9 to 3.8, but Pip was still installing to 3.9 after the downgrade so I uninstalled Pip. I tried to reinstalling pip using: python get-pip.py from pip’s documentation and pip install –upgrade –force pip, and both gives the same error: When I run pip in terminal, …
substitute ‘=’ sign when an integer is encountered using python
Hi I am new to python and regex. I have a string which i want to reformat/substitute i did try with: Expected output: Answer You can match either the start of the string, or a space and comma without using a capture group and assert not a digit after matching a single digit. The pattern matches (?:^|, ) Non c…
Iterate through release notes and count fixes per date
I hope you are well. I’m trying to find every instance of “Fix” in release notes, and grab the date (which is usually a line above). For example (section of release notes): I would want to grab the amount of “fix” occurrences and their corresponding date. Example output: Here is what I’ve been trying: Any hel…
Why does this same expression return True in when entered as a line into the python interpreter and False when run in a script?
I have a python script where I’ve printed the value of two variables. These are dash callback id’s. An excerpt is: The output is: But when I copy and past the output of the first two lines and run them directly into the python3 interpreter I get: I would expect these should both return the same bo…
How to use a user account to fetch/get messages (discord.py)
I have 2 discord client instances a bot and a user account. I have already figured out how to copy messages from one channel to another channel, basically a on_message event. However, I want to know if there is a way I can use the user account to fetch the messages, I’ve tried fetching messages in diffe…
grid with circular distances python
I have a 2d grid of dim q(rows) p(columns). The element of the grid are the indices of the element itself. So the element a[i,j]=(i,j). Now I need to create pair-wise distances between these points with circularity constraint, meaning that the element distance(a[i,p-1],a[i,0])=1 (I am using 0-index based matr…
reduce() to merge if there are blank DataFrame
I want to use reduce() function to merge data. However, sometimes some dataframe df1 to df8 might be blank (but there is at least one dataframe not be blank). And I do not want to detect which one. For example, this time df1 to df7 are blank and only df8 is non-blank. Next time df1, df2, df5 are non-blank. Ho…
Create and fill a DataFrame column based on conditions
I have a DataFrame and I need to create a new column and fill the values acording to how many words in a list of words are found in a text. I’m trying de code below: This code actually create a new column, but fill all the rows with the last ‘count_found_words’ of the loop. is there a right …