pandas – add new column to dataframe from dictionary
I would like to add a column ‘D’ to a dataframe like this: U,L 111,en 112,en 112,es 113,es 113,ja 113,zh 114,es based on the following Dictionary: d = {112: 'en', 113: 'es', 114: 'es', 111: 'en'} so that the resulting dataframe appears as: U,L,D 111,en,en 112,en,en 112,es,en 113,es,es 113,ja,es 113,zh,es 114,es,es So far I tried … Read more