python package to search any file having a string. file search module will help you to find out the location of any file using a string.
import file_search
file_search.set_root('D:\')
files = file_search.searchFile('library management')
in files, searchFile() function will return a list of filenames with their respective locations. in above example, we're setting root as 'D:\' , so the searching of file will be start from D:\. then we're passing 'library' inside the function, so it will return all the files that are having 'library' and 'management' keyword in its name.