Write a function that takes the name of a file with a .csv extension (a comma-separated value file), and writes a new file that is equivalent (same name and same data) but with a .tsv extension (a tab-separated value file: like a csv but with tabs instead of commas separating the elements of the file). note: the character used to represent a tab is ‘\t’.

When early motion pictures played in movie theaters, they were often accompanied by live organ or piano music. which of the following are the most likely reasons that this happened? (select all that apply). the music was provided to distract audience members from the loud sounds made when filmstrips were changed. the music accompanied the movies because the movies were silent and audiences were used to hearing music during plays in theaters. the music usually was played before, and sometimes after the movie, as an alternative form of entertainment. the music viewers to interpret the dramatic action in the films.

(, urgent need): how do i change my username

In 2009 to 2010, how many social network users were reported as being victims of online abuse? a. 1 in 10 b. 100% c.1 in 100 d. 50%