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Writing To CSV file Without Line Space in Python 3

I am trying out the program for writing to a CSV file. Here’s my code: The program runs well. But in the CSV file, there is a blank newline space (without any entries) between each entry. How to eliminate that line in the resultant CSV file? Answer Recommended implementation per Python3 Documentation. h…

Redefining python built-in function

I’m working on a python program and the author has written a function that looks like this This seems to work, even though str is a built in function and shouldn’t be used as a variable. What is actually happening here? My guess is str will no longer be usable as a function, but only in the scope …

Pandas: filter dataframe with type of data

I have dataframe. It’s a part How filter df with type? Usually I do it with str.contains, maybe it’s normal to specify any like df[df.event_duration.astype(int) == True]? Answer If all the other row values are valid as in they are not NaN, then you can convert the column to numeric using to_numeri…

How do the .strip/.rstrip/.lstrip string methods work in Python?

I tried using .rstrip and .lstrip like so: What exactly are these methods doing? I expected ‘thist’ for the first case and ‘that’ for the second case. I’m not looking to fix the problem, I just want to understand the functionality. See also How do I remove a substring from the en…