traversing-lists

"""
 from
 http://www.codecademy.com/courses/python-beginner-en-2Yy4l/0/8

"""

lists=['Mike',['BMW X3','Audi a8'],['white','black'],[2006,2011]]

for item in lists:
    print item

print 'Each item printed separately'

for item in lists:
    if isinstance(item,list):
        for nested_item in item:
            print nested_item
    else:
        print item

print 'Using a recursive method'

def traverse(list1):
    for x in list1:
        if isinstance(x,list):
            print '-',
            traverse(x)
        else:
        print x,
    print
    return

traverse(lists)

print 'Adding to the list'
lists.append('Michael')
lists.append('Brandon')
lists.append('Arthur')
lists.sort()

traverse(lists)