《Python编程 从入门到实践》第3章动手试一试答案

#3-1 姓名
names = ['trek', 'cannondale', 'redline', 'specialized']
for name in names:
    print(name)

#3-2 问候语
names = ['trek', 'cannondale', 'redline', 'specialized']
for name in names:
    print('Hello '+name+" good morning!")

#3-3 自己的列表
names = ['car', 'bicycle', 'bus']
for name in names:
    print('my favorite vehicle is ' + name + '.')

#3-4 嘉宾名单
persons = ["唐僧","孙悟空","猪八戒"]
for person in persons:
    print('您好 '+person+' ,我想请你吃饭！')

#3-5 修改嘉宾名单
print('Sorry the '+persons[1]+' has no time these days ,please call someone else.')
persons[1]='白骨精'
for person in persons:
    print('您好 '+person+' ,我想请你吃饭！')

#3-6 添加嘉宾
print('My lovely friends ,i have find a bigger desk and now we can invite more friends')
print(persons)
persons.insert(0,'牛魔王')
persons.insert(2,'如来')
persons.append('沙悟净')
print(persons)
for person in persons:
    print('您好 '+person+' ,我想请你吃饭！')

#3-7 缩减名单
print('Oh my God ,now i have to pick two of you！')
for index in range(2,len(persons)):
    pop_person=persons.pop()
    print("sorry "+pop_person+" i can't help it ,because the book says.")
for person in persons:
    print('Dear '+person+ ' everything went according to plan.')
del persons[-1]
del persons[0]
print(persons)

#3-8 放眼世界
place = ['beijing','shandong','yunnan','qingdao','hangzhou']
print(place)
print(sorted(place))
print(place)
print(sorted(place,reverse=True))
print(place)
place.reverse()
print(place)
place.reverse()
print(place)
place.sort()
print(place)
place.sort(reverse=True)
print(place)

#3-9 晚餐嘉宾
persons = ["唐僧","孙悟空","猪八戒"]
for person in persons:
    print('您好 '+person+' ,我想请你吃饭！')

print(persons)
print(len(persons))