update elements and fix some bugs

lib/src/prism/components/prism-python.js

Index: lib/src/prism/components/prism-python.js
diff --git a/lib/src/prism/components/prism-python.js b/lib/src/prism/components/prism-python.js
index b2e031f0a2241e30fd177503ae17b41649332b9a..eb97f48eca193396f0f9221a928d8df1819062fe 100644
--- a/lib/src/prism/components/prism-python.js
+++ b/lib/src/prism/components/prism-python.js
@@ -1,16 +1,20 @@
-Prism.languages.python= { 
+Prism.languages.python= {
 	'comment': {
-		pattern: /(^|[^\\])#.*?(\r?\n|$)/,
+		pattern: /(^|[^\\])#.*/,
 		lookbehind: true
 	},
-	'string': /"""[\s\S]+?"""|'''[\s\S]+?'''|("|')(\\?.)*?\1/,
+	'string': /"""[\s\S]+?"""|'''[\s\S]+?'''|("|')(?:\\?.)*?\1/,
 	'function' : {
-		pattern: /((^|\s)def[ \t]+)([a-zA-Z_][a-zA-Z0-9_]*(?=\())/g,
+		pattern: /((?:^|\s)def[ \t]+)[a-zA-Z_][a-zA-Z0-9_]*(?=\()/g,
 		lookbehind: true
 	},
-	'keyword' : /\b(as|assert|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|pass|print|raise|return|try|while|with|yield)\b/,
-	'boolean' : /\b(True|False)\b/,
-	'number' : /\b-?(0[bo])?(?:(\d|0x[a-f])[\da-f]*\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,
-	'operator' : /[-+]|<=?|>=?|!|={1,2}|&{1,2}|\|?\||\?|\*|\/|~|\^|%|\b(or|and|not)\b/,
+	'class-name': {
+		pattern: /(\bclass\s+)[a-z0-9_]+/i,
+		lookbehind: true
+	},
+	'keyword' : /\b(?:as|assert|async|await|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|pass|print|raise|return|try|while|with|yield)\b/,
+	'boolean' : /\b(?:True|False)\b/,
+	'number' : /\b-?(?:0[bo])?(?:(?:\d|0x[\da-f])[\da-f]*\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,
+	'operator' : /[-+%=]=?|!=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]|\b(?:or|and|not)\b/,
 	'punctuation' : /[{}[\];(),.:]/
-};
+};