#!/usr/bin/python
# -*- coding: utf-8 -*-class SeqList(object):def __init__(self,maxsize):self.maxsize = maxsizeself.data = range(maxsize)self.last = len(self.data) -1def __getitem__(self, key):if self.is_empty():print 'seqlist is empty'returnelif key<0 or key>self.last:print 'the given key is Error'returnelse:return self.data[key]def __setitem__(self, key, value):if self.is_empty():print 'seqlist is empty'returnelif key<0 or key>self.last:print 'the given key is Error'returnelse:self.data[key] = valuedef __len__(self):length = self.last + 1return lengthdef getlength(self):return self.last+1def clear(self):self.data = []def is_empty(self):if self.last == -1:return Trueelse:return Falsedef is_full(self):if self.last == self.maxsize-1:return Trueelse:return Falsedef getelem(self,index):if self.is_empty():print 'seqlist is empty'returnelif index<0 or index>self.last:print 'position is error'else:return self.data[index]def getindex(self,elem):if self.is_empty():print 'seqlst is empty'returnelse:for i in range(self.last):if self.data[i]==elem:return idef append(self,elem):if self.is_empty():print 'seqlist is empty'returnelse:self.last +=1self.data  = self.data + [elem]def insert(self,index,elem):if self.is_empty():print 'seqlist is empty'returnelif  index<0 or index> self.last+1:print 'postion is error'returnelif index == self.last+1:self.last+=1self.data  = self.data + [elem]else:self.data += [elem]if index ==0:for i in self.data[self.last::-1]:self.data[i+1] = self.data[i]else:for i in self.data[self.last:index-1:-1]:self.data[i+1] = self.data[i]self.data[index] =  elemself.last+=1#print self.datadef delete(self,index):if self.is_empty():print 'seqlist is empty'returnelif  index<0 or index> self.last+1:print 'postion is error'returnelif index == self.last+1:self.last -= 1self.data =self.data[:-1]else:for i in self.data[:-1]:if i >= index:self.data[i] = self.data[i+1]else:passself.data = self.data[:-1]self.last -= 1sl = SeqList(5)print sl.datasl.append(5)print sl.datasl.insert(6,10)print sl.datasl.delete(5)print sl.data