Capgemini interview question

1.difference between List and tuple . 2.how to read csv file in python. 3.what is spark architecture. 4.second highest salary. 5.what is Flask . 6.sort the even number in list. 7.iterate in dictionary. 8.sort the string. 9.what is lambda.where we use it. 10.what is generators. 11.what is decorators. 12. what is monkey patch. 13.what is dataframe.