python -- list

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#test python list
#defin a traversal list function
def TravList(ls):
'''traversal a list''';
print 'begin traversal list\n';
for it in lsShop:
print it, '\n';
print 'end of traversal\n';
#define a list
lsShop = ['mango', 'apple', 'carrot', 'banana'];
print 'list len = ', len(lsShop), '\n';
TravList(lsShop);
#list append item
lsShop.append('rice');
TravList(lsShop);
#list sort
lsShop.sort();
TravList(lsShop);
#get item by index and del
oldItem = lsShop[0];
print 'ittem[0]:', oldItem, '\n';
del lsShop[0];
TravList(lsShop);
#inset a int object
lsShop.insert(0, 1);
TravList(lsShop);
lsShop.sort();
TravList(lsShop);