Unindent does not match any outer indentation level python

It is not a good idea in a cover letter to mention another person whom the employer knows.

William travels a lot on business purpose. he needs to regularly communicate with his business partner. he also needs to send out weekly reports to his boss while he is traveling. which web-based application best suits william’s needs? (social media, webmail, wiki) is the best web-based application for william. he can access this application via the internet using a (digital cable, fax machine, web browser).

What does code do? a creates a text box that says "solid black" b creates a black border of any width c creates a black border 1 pixel wide