第1章一、选择题1.B2.D3.C4.C二、简答题1.(1)简单易学(2)解释性(3)可移植性(4)可扩展性(5)面向对象(6)丰富的库2.(1)Web应用开发(2)自动化运维(3).网络安全(4).网络爬虫(5).游戏开发(6).数据分析(7).人工智能三、编程题1.print('Hello, World!.')2.print('***********************************')print('\t\tHello Python World!')print('***********************************')第2章2.6习题一、选择题1.C2.D3.C4.A5.B6.D二、填空题2.26 2.type()3.274. -5.75; -6 5. False三、简答题1.(1)变量名必须由字母、数字、或者下划线（_）组成。
(2)不能使用空格、连字符、标点符号、引号等其他特殊字符。
(3)以字母或下划线开头，但不能以数字开头(4)严格区分大小写。
(5)要避免与Python关键字和函数名冲突2. 见表2.4.第3章3.4综合实验#1s1 = " keep on going never give up "s2 = s1.capitalize()print(s2)#2s3 = s2.strip()print(s3)#3print (s3.endswith('up'))#4print (s3.startswith('on'))#5print (s3.replace('e','aa'))#6print (s3.split('n'))#7print (s3.upper())#8n1 = 'Lily'print ('%s says: %s.'%(n1,s3))#9print (s3.center(40,'#'))#10print (s3.count('e'))#11print (s3.split())#12print ('/'.join(s4))#13print (' '.join(s4[::-1]))3.5 习题一、选择题1.B2.D3.C4.C二、填空题1. 'moon'2. 'shipfriend'3. 54. 'bEIjING'5. spam三、编程题1.str1 = 'I want to go to Beijing, Berli and Beijing this year. How about you?' str2 = str1.split()str2 = ' '.join(str2)print (str2)2.思路：(1).变量名的第一个字符是否为字母或下划线(2).如果是，继续判断--> 4(3).如果不是，报错(4).依次判断除了第一个字符之外的其他字符(5).判断是否为字母数字或者下划线while True:s = input('请输入字符(q退出)：')if s == 'q':exit()#判断字符串第一个变量是否满足条件if s[0].isalpha() or s[0] == '_':for i in s[1:]:#判断判断除了第一个元素之外的其他元素是否满足条件if i.isalnum() or i == '_':continueelse:print('不合法')breakelse:print('合法')else:print('不合法')3.#!/usr/bin/env python#coding:utf-8s = input("输入：")s1 = s.split(" ")s2 = s1[0].upper()s3 = s1[-1].upper()print (s2.count(s3))4.s = input('input a string:\n')letters, space, digit, others = 0,0,0,0for c in s:if c.isalpha():letters += 1elif c.isspace():space += 1elif c.isdigit():digit += 1else:others += 1print ('char = %d,space = %d,digit = %d,others = %d' % (letters,space,digit,others))第4章4.4 综合实验#01fav_city = []#02fav_city.append('Qinghai')fav_city.append('Chengdu')fav_city.append('Dalian')fav_city.append('Xizang')fav_city.append('Haerbin')print (fav_city)#03fav_city[0] = 'Qingdao'#04fav_city.insert(2,'Kunming')#05del fav_city[0]#06fav_city.remove('Xizang')#07fav_city.sort()#08fav_city.reverse()#09for city1 in fav_city:print (city1)#10tuple_city = tuple(fav_city)#11len(tuple_city)4.5 习题一、选择题1.D2.A3.B4.D5.C二、填空题1.[123,22, 123,22]2.x = [1,3,5,7,9]3. [11,22,33,11]4. Flase5. b= [::2]6. (6,)三、编程题#1import randomx = [random.randint(0,100) for i in range(10)]x.sort()print (x)#2.list1 = ['Hollywood', 'Mexico', 'New Delhi', 'Tokyo'] item = list1.pop(0)list1.append(item)print (list1)#3a = int(input('a:'))for b in x:if a < b:x.insert(x.index(b),a)breakelse:x.append(a)print (x)#3x.pop()x[:5] = sorted(x[:5] ,reverse = True)x[5:] = sorted(x[5:])print (x)4.#列表推导法list1 = [22,11,33,22,44,33]temp_list=[]for x in list1:if x not in temp_list:temp_list.append(x)print (temp_list) #输出结果未排序#排序方法list1 = [22,11,33,22,44,33]list2 = sorted(list1)temp_list = []i = 0while i < len(list2):if list2[i] not in temp_list:temp_list.append(list2[i])else:i += 1print (temp_list) #输出结果已排序第5章字典综合实验1.Qing_Hai = ['qinghai','xining','青',8,'810000']Si_Chuan = ['sichuan','chengdu','川',21,'610000']Gan_Su = ['gansu','lanzhou','陇',14,'730000']Ning_Xia = ['ningxia','yinchuan','宁',5,'750000']Nei_MengGu = ['neimenggu','huhehaote','内蒙古',12,'010000'] Shaan_Xi = ['shaanxi','xian','陕',10,'710000']Shan_Xi = ['shanxi','taiyuan','晋',11,'030000']He_Nan = ['henan','zhengzhou','豫',18,'450000']Shan_Dong = ['shandong','jinan','鲁',16,'250000']provinces = [Qing_Hai,Si_Chuan,Gan_Su,Ning_Xia,Nei_MengGu,Shaan_Xi,Shan_Xi,He_Nan,Shan_Dong] Yellow_River_basin = {}for province in provinces:Yellow_River_basin[province[0]] = province[1:]print(Yellow_River_basin)2.# 遍历嵌套字典的键for key in Yellow_River_basin.keys():print(key)# 遍历嵌套字典的值for value in Yellow_River_basin.values():print(value)# 遍历嵌套字典的键值对for key, value in Yellow_River_basin.items():print(key+"'s Capital is : %s "%value[0]+" For_short is : %s "%value[1]+"Area_manage is : %d个"%value[2]+"Postal_code is : %s"%value[3])3.for provinc in Yellow_River_basin.keys():if provinc == 'sichuan':Yellow_River_basin[provinc] = ['chengdu', '蜀', 21, '610000']elif provinc == 'gansu':Yellow_River_basin[provinc] = ['lanzhou', '甘', 14, '730000']elif provinc == 'shaanxi':Yellow_River_basin[provinc][1] = '秦'print(Yellow_River_basin)4qinghai = {'name':'QingHai','capital':'XiNing','for_short':'青','area_manage':8}sichuang = {'name':'SiChuan','capital':'ChengDu','for_short':'川','area_manage':21}gansu = {'name':'GanSu','capital':'LanZhou','for_short':'陇','area_manage':14}ningxia = {'name':'NingXia','capital':'YinChuan','for_short':'宁','area_manage':5}neimenggu = {'name':'Neimenggu','capital':'HuheHaote','for_short':'内蒙古','area_manage':12} shaanxi= {'name':'ShaanXi','capital':'XiAn','for_short':'陕','area_manage':10}shanxi = {'name':'ShanXi','capital':'TaiYuan','for_short':'晋','area_manage':11}henan = {'name':'HeNan','capital':'ZhengZhou','for_short':'豫','area_manage':18}shandong = {'name':'ShanDong','capital':'JiNan','for_short':'鲁','area_manage':16}basin_list = [qinghai,sichuang,gansu,ningxia,neimenggu,shaanxi,shanxi,henan,shandong] Postal_Code = ['810000','610000','730000','750000','010000','710000','030000','450000','250000']print(basin_list)5for province_num in range(len(basin_list)):basin_list[province_num]['postal_code'] = Postal_Code[province_num]print(basin_list)第5章综合实验一、选择题1.B2.C3.B4.D5.D二、简答题1.(1)字典的键(key)具有唯一性。
