基础训练-分支结构小练习

 1 week = 3
 2 
 3 if week == 1:
 4     print(‘今天是周一，我们吃西红柿炒番茄‘)
 5 elif week == 2:
 6     print(‘今天是周二，我们吃马铃薯炖土豆‘)
 7 elif week == 3:
 8     print(‘今天是周三，我们吃大米蒸小米‘)
 9 elif week == 4:
10     print(‘今天是周四，我们吃老母鸡炖小母鸡‘)
11 elif week == 5:
12     print(‘今天是周五，我们吃杏孢菇拌金针菇‘)
13 else:
14     print(‘今天是周天，食堂不开饭饿着！‘)

/usr/bin/python3.5 /mnt/linux/python6/12/test/test1.py
今天是周三，我们吃大米蒸小米

Process finished with exit code 0

 1 cj = 80  #成绩
 2 
 3 if cj == 100:
 4     print(‘恭喜，满分！‘)
 5 elif cj >= 85 and cj < 100:
 6     print(‘你是个优秀的娃娃‘)
 7 elif cj >= 75 and cj < 85:
 8     print(‘小伙子，考得可以，免得挨揍～！‘)
 9 elif cj >= 60 and cj < 75:
10     print(‘及格万岁，少一分犯罪，多一分浪费‘)
11 else:
12     print(‘露出你的小屁屁！‘)
13 
14 
15 /usr/bin/python3.5 /mnt/linux/python6/12/test/test1.py
16 小伙子，考得可以，免得挨揍～！
17 
18 Process finished with exit code 0

 1 cj = 100
 2 
 3 if cj == 100:
 4     print(‘恭喜，满分！‘)
 5 elif 85 <= cj < 100:
 6     print(‘你是个优秀的娃娃‘)
 7 elif 75 <= cj < 85:
 8     print(‘小伙子，考得可以，免得挨揍～！‘)
 9 elif 60 <= cj < 75:
10     print(‘及格万岁，少一分犯罪，多一分浪费‘)
11 else:
12     print(‘露出你的小屁屁！‘)
13     
14 /usr/bin/python3.5 /mnt/linux/python6/12/test/test1.py
15 恭喜，满分！
16 
17 Process finished with exit code 0

 1 cj = 95
 2 
 3 if cj == 100:
 4     print(‘恭喜，满分！‘)
 5 elif cj >= 85:
 6     print(‘你是个优秀的娃娃‘)
 7 elif cj >= 75:
 8     print(‘小伙子，考得可以，免得挨揍～！‘)
 9 elif cj >= 60:
10     print(‘及格万岁，少一分犯罪，多一分浪费‘)
11 else:
12     print(‘露出你的小屁屁！‘)
13 
14 /usr/bin/python3.5 /mnt/linux/python6/12/test/test1.py
15 你是个优秀的娃娃
16 
17 Process finished with exit code 0

schooldoor = True #True 开  False 关
#楼们
builddoor = True #True 开  False 关
#教室门
classdoor = True#True 开  False 关

#来到学校门口
print(‘高高兴兴上学来，走到了校门口‘)
#判断校门是否打开
if schooldoor == True:
    print(‘学校们已经打开，走进校园来！‘)
    #判断楼们是否打开
    if builddoor == True:
        print(‘大楼们已经打开，走进楼里来！‘)
        #判断教室们是否打开
        if classdoor == True:
            print(‘教室门一开，走进教室好好学习，天天想上！‘)
        else:
            print(‘教室们没开，松哥给开歌门呗！‘)
    else:
        print(‘楼们未开，齐大妈给开个门呗！‘)
else:
    print(‘校门没开，王大爷，给我开个门呗‘)

/usr/bin/python3.5 /mnt/linux/python6/12/test/test1.py
高高兴兴上学来，走到了校门口
学校们已经打开，走进校园来！
大楼们已经打开，走进楼里来！
教室门一开，走进教室好好学习，天天想上！

Process finished with exit code 0