# -*- coding = utf-8 -*-
#大家好，今天是2018年12月17日，天气还不错，我是皮卡丘，这是我看Python编程从入门到实践的第一天，现在是上午，我敲的是第二章的内容
print(‘hello world!’)
message = ‘hello python world!’
print(message)
message = ‘hello world!’
print(message)
name = ‘ada lovelace’
print(name.title())
print(name.upper())
print(name.lower())
first_name = ‘ada’
last_name = ‘lovelace’
full_name = first_name + ‘ ‘ +last_name
message = ‘Hello,’ + full_name.title() + ‘!’
print(message)
print(‘Hello ‘ + full_name.title() + ‘,Do you learn some Python today?’)
print(‘Languages:\n\tPython\n\tC\n\tJavaScript’)
favorite = ‘ python ‘
print(‘a’+favorite.strip()+’b’)
print(‘a’+favorite.rstrip()+’b’)
print(‘a’+favorite.lstrip()+’b’)
famous_person = ‘皮卡丘’
message = ‘时间就像海绵，挤挤总会有的！’
print(famous_person + ‘说过：’ + message)
name = ‘ Ada ‘
print(name.strip()+’\n’+name.lstrip()+’\t’+name.rstrip())
age=22
message = ‘Happy ‘+str(age)+’rd birthday!’
print(message)
print(5+3)
print(10-2)
print(2*4)
print(24/3)
number=6
message=’My favorite number is:’+str(number)
print(message)
#大家好，今天是2018年12月17日，天气还不错，我是皮卡丘，这是我看Python编程从入门到实践的第一天，现在是下午，我敲的是第三章的内容
bicycles = [‘trek’,’cannondale’,’redline’,’specialized’]
print(bicycles[0]+’\n’+bicycles[-1])
message = ‘My first bicycle was a ‘+bicycles[1].title()+’!’
print(message)
name = [‘zhang’,’li’,’wang’,’guo’,’liu’]
for temname in name:
message = ‘Hello,’+temname.title()+’,today is your first day that learned Python.’
print(message)
motrocycles = [‘honda’,’yamaha’,’suzuki’]
print(motrocycles)
motrocycles[0]=’ducati’
print(motrocycles)
motrocycles.append(‘honda’)
motrocycles.insert(2,’dayang’)
print(motrocycles)
del motrocycles[0]
print(motrocycles)
last_owned=motrocycles.pop()
print(‘The last motrocycle I owned was a ‘+last_owned.title()+’!’)
first_owned=motrocycles.pop(0)
print(‘The first motrocycle I owned was a ‘+first_owned.title()+’!’)
print(motrocycles)
too_expensive=’dayang’
motrocycles.remove(too_expensive)
print(motrocycles)
print(‘\nA ‘+too_expensive.title()+’ is too expensive for me.’)
#第三章的练习题1
invest_people = [‘pi’,’ka’,’qiu’,’xiao’,’hua’,’xue’]
for name in invest_people:
print(‘Hello,Mr ‘+name.title()+’ welcome to my party~’)
old=invest_people[3]
invest_people[3]=’ye’
print(‘因为一些原因，Mr ‘+old.title()+’无法与我们共进晚餐。’)
for name in invest_people:
print(‘Hello,Mr ‘+name.title()+’ welcome to my party~’)
print(‘因为找到了一个更大的餐桌，现增加三位嘉宾与我们共进晚餐。’)
invest_people.insert(0,’hui’)
invest_people.insert(3,’xu’)
invest_people.append(‘yan’)
print(‘Now,sending a new invitation to everyone again,the total number of guests is:’+str(len(invest_people)))
for name in invest_people:
print(‘Hello,Mr ‘+name.title()+’ welcome to my party~’)
print(‘因为新订的餐桌无法及时送达，现只能邀请两名嘉宾。’)
pop_guests=[]
i=7
print(invest_people)
while i>0:
pop_guests.append(invest_people.pop())
i=i-1
# print(pop_guests)
# print(invest_people)
for name in pop_guests:
print(‘Sorry,Mr ‘+name.title()+’.因为餐桌无法及时送达，不能邀请您共进晚餐。’)
for name in invest_people:
print(‘Hello,Mr ‘+name.title()+’ you still in my list,welcome to my party~’)
del invest_people[1]
del invest_people[0]
if len(invest_people)==0:
print(‘The list is null’)
#第三章练习题2
travel_places = [‘厦门’,’三亚’,’云南’,’大理’,’青海’,’深圳’,’巴厘岛’,’西安’]
print(travel_places)
print(sorted(travel_places))
print(travel_places)
print(sorted(travel_places,reverse=True))
print(travel_places)
travel_places.reverse()
print(travel_places)
travel_places.reverse()
print(travel_places)
travel_places.sort()
print(travel_places)
travel_places.sort(reverse=True)
print(travel_places)
#大家好，今天是2018年12月17日，天气还不错，我是皮卡丘，这是我看Python编程从入门到实践的第一天，现在是晚上，我敲的是第四章的内容
magicians = [‘alice’,’david’,’carolina’]
for magician in magicians:
print(magician.title()+’,that was a great trick!’)
print(“I can’t wait to see your next trick,”+magician.title()+’.\n’)
print(“Thank you,everyone.That was a great magic show!”)
#第四章练习题1
pizzas = [‘big’,’small’,’middle’,’massive’]
for pizza in pizzas:
print(‘I like ‘+pizza+’ pizza.\n’)
print(‘I really love pizza.’)
even_numbers=list(range(2,11,2))
print(even_numbers)
squares=[]
for value in range(1,11):
squares.append(value**2)
print(squares)
squares_1=[value**2 for value in range(1,11)]
print(squares_1)
#第四章练习题2
for i in range(1,21):
print(i)
list_1=list(range(1,1000001))
# for i in list_1:
# print(i)
if list_1[0]==min(list_1):
print(‘该列表从1开始。’)
if list_1[-1]==max(list_1):
print(‘该列表是到1000000结束。’)
print(‘该列表的总和是：’+str(sum(list_1)))
list_odd=list(range(1,20,2))
for i in list_odd:
print(i)
list_three=[]
for i in range(3,31):
if i%3 == 0:
list_three.append(i)
print(list_three)
list_lifang=[]
for i in range(1,11):
list_lifang.append(i**3)
print(list_lifang)
list_lifang1=[i**3 for i in range(1,11)]
print(list_lifang1)
my_foods=[‘pizza’,’mantou’,’miantiao’]
favorite_foods=my_foods[:]
print(favorite_foods)
friend_foods=my_foods
my_foods.append(‘ice cream’)
friend_foods.append(‘danta’)
print(‘My favorite foods are:’)
print(my_foods)
print(‘My friend favorite foods are:’)
print(friend_foods)
