Url Routes Home Page URL : '/' Method : get Specific File Page URL : /<filename> Method : get Example URLs http://localhost:5000/ - Displays the content of the default file (file1.txt by default) http://localhost:5000/?start=1&end=5 - Displays the first 5 lines of the default file. http://localhost:5000/?start=10 - Displays lines 10 to the end of the default file. http://localhost:5000/?end=20 - Displays the first 20 lines of the default file http://localhost:5000/file2.txt - Displays the content of file2.txt. http://localhost:5000/file3.txt?start=5&end=10 - Displays lines 5 to 10 of file3.txt