字典实例：利用字典将两个通讯录文本合并为一个文本

#利用字典将两个通讯录文本合并为一个文本def main():    ftele1=open("d:\TeleAddressBook.txt","rb")    ftele2=open("d:\EmailAddressBook.txt","rb")    ftele1.readline()#跳过第一行    ftele2.readline()    lines1=ftele1.readlines()    lines2=ftele2.readlines()    dic1={}    dic2={}    for line in lines1:#获取第一个文本中的姓名和电话信息        elements=line.split()        #将文本中的读出来的bytes转换为str        dic1[elements[0]]=str(elements[1].decode('gbk'))    for line in lines2:        elements=line.split()        dic2[elements[0]]=str(elements[1].decode("gbk"))    lines=[]    lines.append("姓名\t    电话\t        邮箱\n")    for key in dic1:        s=''        if key in dic2.keys():            s='\t'.join([str(key.decode('gbk')),dic1[key],dic2[key]])            s+='\n'        else:            s='\t'.join([str(key.decode('gbk')),dic1[key],str('  ----  ')])            s+='\n'        lines.append(s)    for key in dic2:        s=''        if key not in dic1.keys():            s='\t'.join([str(key.decode('gbk')),str('  ----  '),dic2[key]])            s+='\n'        lines.append(s)    ftele3=open("d:\dizhibook.txt","w")    ftele3.writelines(lines)    ftele3.close()    ftele2.close()    ftele1.close()    print("The dizhibook are merged!")main()