摘要：import sysdef merge(nums,first,middle,last): lnums = nums[first:middle+1] rnums = nums[middle+1:last+1] lnums.append(sys.maxint) rnums.append(sys.maxi... 阅读全文

摘要：#coding:utf-8#数据交换x = 6y = 5 x, y = y, xprint xprint y#相当于:?print "hello" if False else "world"#一种方式绑定不同类型的数据 nfc = ["Packers", "49ers"]afc = ["Ravens... 阅读全文

摘要：import sqlite3db = r"test.db"drp_tb_sql = "drop table if exists staff"crt_tb_sql = """create table if not exists staff( id integer primary key autoinc... 阅读全文