removing header from naics_data_ csv this program should print filename each time it strips the first line from csv file ideas for similar programs the programs that you could write for csv files are similar to the kinds you could write for excel filessince they're both spreadsheet files you could write programs to do the followingcompare data between different rows in csv file or between multiple csv files copy specific data from csv file to an excel fileor vice versa check for invalid data or formatting mistakes in csv files and alert the user to these errors read data from csv file as input for your python programs json and apis javascript object notation is popular way to format data as single human-readable string json is the native way that javascript programs write their data structures and usually resembles what python' pprint(function would produce you don' need to know javascript in order to work with json-formatted data here' an example of data formatted as json{"name""zophie""iscat"true"micecaught" "napstaken" "felineiq"nulljson is useful to knowbecause many websites offer json content as way for programs to interact with the website this is known as providing an application programming interface (apiaccessing an api is the same as accessing any other web page via url the difference is that the data returned by an api is formatted (with jsonfor examplefor machinesapis aren' easy for people to read many websites make their data available in json format facebooktwitteryahoogoogletumblrwikipediaflickrdata govredditimdbrotten tomatoeslinkedinand many other popular sites offer apis for programs to use some of these sites require registrationwhich is almost always free you'll have to find documentation for what urls your program needs to request in order to get the data you wantas well as the general format of the json data structures that are returned this documentation should be provided by whatever site is offering the apiif they have "developerspagelook for the documentation there working with csv files and json data