title: financial python library that has xirr and xnpv function?
body: <p>numpy has irr and npv function, but I need xirr and xnpv function.</p>
  
  <p>this link points out that xirr and xnpv will be coming soon.
  <a href="http://www.projectdirigible.com/documentation/spreadsheet-functions.html#coming-soon" rel="noreferrer">http://www.projectdirigible.com/documentation/spreadsheet-functions.html#coming-soon</a></p>
  
  <p>Is there any python library that has those two functions? tks.</p>