What would be the most pythonic way of creating the following string concatenation: We have an initial dataframe with some of the columns being: origin dest_1_country dest_1_city dest_2_country dest_2_city dest_3_country dest_3_city dest_4_country dest_4_city We want to create an additional column that is the…
Tag: string-concatenation
Pandas string concatenation of row values of a column that have an implicit hierarchy
I have a dataframe signifying the temperature for three days for different regions in India. It’s given in the following image. original_dataframe I need to generate another column in the same dataframe that concatenates the string values of the state and the city which is seen in ‘Col5’ as …
How slow is Python’s string concatenation vs. str.join?
As a result of the comments in my answer on this thread, I wanted to know what the speed difference is between the += operator and ”.join() So what is the speed comparison between the two? Answer From: Efficient String Concatenation Method 1: Method 4: Now I realise they are not strictly representative,…