IFs assignment
Get each of the three scripts working on obsidian and then copy the code to the D2L dropbox

1. Write a script that accetps one argument ($1) if it is not a directory, create it
2. Write a script that accepts one argument and tells if it is a file, directory or doesn't exist
3. Write a script that accepts three arguments. If 3 arguments are not entered, display an error message and exit. If 3 arguments are entered, display the values of the 3 arguments.