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#!/usr/bin/python

jvm_langs = ['Java', 'Jython', 'Groovy', 'Scala', 'Jruby']

#How many JVM langs do you know ?

print 'I know of ', jvm_langs.__len__(), 'langs that can run on the JVM'

#It's not a good idea to directly us __xxx__ methods

#A better way is. Remember there is usually a top level function which

#is the idoimatic way to access the __xxx__method

print 'I know of ', len(jvm_langs), 'langs that can run on the JVM'

print 'Oops I forgot Clojure'

jvm_langs.append('Clojure')

#Let's iterate across the list

for lang in jvm_langs:

print lang

#Can we get the 3rd element of the list ?

print "The 3rd JVM language is ", jvm_langs[2]

print "The first 3 JVM languages are ", jvm_langs[:3]

print "The 2nd to 4th JVM languages are ", jvm_langs[1:4]

print "let's sort these languages"

jvm_langs.sort()

print jvm_langs