1.0Daniel R. Schlegelhttps://danielschlegel.org/wpdigitalneoplasmhttps://danielschlegel.org/wp/author/digitalneoplasm/rich600338<blockquote class="wp-embedded-content" data-secret="b8gIfYqjyK"><a href="https://danielschlegel.org/wp/teaching/mixins-and-traits/">Mixins and Traits</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://danielschlegel.org/wp/teaching/mixins-and-traits/embed/#?secret=b8gIfYqjyK" width="600" height="338" title="“Mixins and Traits” — Daniel R. Schlegel" data-secret="b8gIfYqjyK" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://danielschlegel.org/wp/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Mixins in Python Real use of mixins in Python # Author: Daniel R. Schlegel # Created: 4/11/2017 # A program demonstrating mixins with graph objects. class Label(object): def set_label(self,label): self.label = label def get_label(self): return self.label class Vertex(object): def __init__(self): pass class LabeledVertex(Label,Vertex): def __init__(self,label): self.set_label(label) class DirectedEdge(object): def __init__(self,source,target): self.source = source self.target = target class LabeledDirectedEdge(Label,DirectedEdge): def __init__(self,source,target,label):…Read more