With the rise of personalized music streaming services, there is a growing need for systems that can recommend music based on users' emotional states. Realizing this need, Moodify is being developed ...

Read data from above file into dataframes (df1 and df2). Display number of partitions in df1. Create a new dataframe df3 from df1, along with a new column salary, and keep it constant 1000 append df2 ...